Publishers Taylor & Francis Ltd

Cover for Braune, Joan (Gonzaga University, Washington, USA) · Understanding and Countering Fascist Movements: From Void to Hope - Routledge Studies in Fascism and the Far Right (Hardcover Book) (2023)

Understanding and Countering Fas... (2023)

Braune, Joan (Gonzaga University...

Cover for Noam Lemish · Transcultural Jazz: Israeli Musicians and Multi-Local Music Making - Transnational Studies in Jazz (Paperback Book) (2023)

Transcultural Jazz: Israeli Musi... (2023)

Cover for Noam Lemish · Transcultural Jazz: Israeli Musicians and Multi-Local Music Making - Transnational Studies in Jazz (Hardcover Book) (2023)

Transcultural Jazz: Israeli Musi... (2023)

Cover for Olga Solovova-Sabina Vakser · Russian as a Transnational Language: Resonance, Remembrance, Renewal - Routledge Critical Studies in Multilingualism (Hardcover Book) (2023)

Russian as a Transnational Langu... (2023)

Olga Solovova-Sabina Vakser

Cover for Fletcher, Nigel (King's College London, UK) · Institutionalised Dissent: The Official Opposition in the UK since 1935 - Routledge Studies in British Politics (Hardcover Book) (2023)

Institutionalised Dissent: The O... (2023)

Fletcher, Nigel (King's College ...

Cover for G. Anthony Bruno-Justin Vlasits · Transformation and the History of Philosophy - Rewriting the History of Philosophy (Hardcover Book) (2023)

Transformation and the History o... (2023)

G. Anthony Bruno-Justin Vlasits

Cover for Meredith K. Ray · Twenty-Five Women Who Shaped the Italian Renaissance - Twenty Five Women Who Shaped the... (Paperback Book) (2023)

Twenty-Five Women Who Shaped the... (2023)

Meredith K. Ray

Cover for Julie McDonough Dolmaya · Digital Research Methods for Translation Studies - Research Methods in Translation and Interpreting Studies (Paperback Book) (2023)

Digital Research Methods for Tra... (2023)

Julie McDonough Dolmaya

Cover for Julie McDonough Dolmaya · Digital Research Methods for Translation Studies - Research Methods in Translation and Interpreting Studies (Hardcover Book) (2023)

Digital Research Methods for Tra... (2023)

Julie McDonough Dolmaya

Cover for Pandey, Lakshman (Rani Durgavati University, Jabalpur, India) · Analytical Impedance Spectroscopy: Basics and Applications (Hardcover Book) (2023)

Analytical Impedance Spectroscop... (2023)

Pandey, Lakshman (Rani Durgavati...

Cover for Huda Fakhreddine-Suzanne Pinckney Stetkevych · The Routledge Handbook of Arabic Poetry - Routledge Literature Handbooks (Hardcover Book) (2023)

The Routledge Handbook of Arabic... (2023)

Huda Fakhreddine-Suzanne Pinckne...

Cover for Gavin Brookes · Corpus Linguistics for Health Communication: A Guide for Research - Routledge Corpus Linguistics Guides (Paperback Book) (2023)

Corpus Linguistics for Health Co... (2023)

Cover for Gavin Brookes · Corpus Linguistics for Health Communication: A Guide for Research - Routledge Corpus Linguistics Guides (Hardcover Book) (2023)

Corpus Linguistics for Health Co... (2023)

Cover for Diptendra Kumar Sarkar · Breast Diseases: Guidelines for Management (Paperback Book) (2023)

Breast Diseases: Guidelines for ... (2023)

Diptendra Kumar Sarkar

Cover for Akihiro Kubo-Francoise Lavocat-Alison James · The Routledge Handbook of Fiction and Belief - Routledge Literature Handbooks (Hardcover Book) (2023)

The Routledge Handbook of Fictio... (2023)

Akihiro Kubo-Francoise Lavocat-A...

Cover for Antonio Pedro Mesquita-Ricardo Santos · New Essays on Aristotle’s Organon - Routledge Monographs in Classical Studies (Hardcover Book) (2023)

New Essays on Aristotle’s Organo... (2023)

Antonio Pedro Mesquita-Ricardo S...

Cover for Eugene O'Brien · Reading Paul Howard: The Art of Ross O'Carroll-Kelly - Routledge Studies in Irish Literature (Hardcover Book) (2023)

Reading Paul Howard: The Art of ... (2023)

Cover for Orr, Joanne (Independent consultant) · Practitioner Perspectives on Intangible Cultural Heritage - Routledge Guides to Practice in Museums, Galleries and Heritage (Paperback Book) (2023)

Practitioner Perspectives on Int... (2023)

Orr, Joanne (Independent consult...

Cover for Braune, Joan (Gonzaga University, Washington, USA) · Understanding and Countering Fascist Movements: From Void to Hope - Routledge Studies in Fascism and the Far Right (Paperback Book) (2023)

Understanding and Countering Fas... (2023)

Braune, Joan (Gonzaga University...

Cover for Orr, Joanne (Independent consultant) · Practitioner Perspectives on Intangible Cultural Heritage - Routledge Guides to Practice in Museums, Galleries and Heritage (Hardcover Book) (2023)

Practitioner Perspectives on Int... (2023)

Orr, Joanne (Independent consult...

Cover for Philip B. Clarke · Wellness-Based Addictions Counseling: Facilitating Holistic Recovery (Hardcover Book) (2023)

Wellness-Based Addictions Counse... (2023)

Philip B. Clarke

Cover for Howard Louthan-Tryntje Helfferich · Beyond the Battlefield: Reconsidering Warfare in Early Modern Europe (Paperback Book) (2023)

Beyond the Battlefield: Reconsid... (2023)

Howard Louthan-Tryntje Helfferich

Cover for Howard Louthan-Tryntje Helfferich · Beyond the Battlefield: Reconsidering Warfare in Early Modern Europe (Hardcover Book) (2023)

Beyond the Battlefield: Reconsid... (2023)

Howard Louthan-Tryntje Helfferich

Cover for Hiroshi Ota-Tracy X.P. Zou-Ly Thi Tran · East and Southeast Asian Perspectives on the Internationalisation of Higher Education: Policies, Practices and Prospects - Internationalization in Higher Education Series (Hardcover Book) (2023)

East and Southeast Asian Perspec... (2023)

Hiroshi Ota-Tracy X.P. Zou-Ly Th...

Cover for Hiroshi Ota-Tracy X.P. Zou-Ly Thi Tran · East and Southeast Asian Perspectives on the Internationalisation of Higher Education: Policies, Practices and Prospects - Internationalization in Higher Education Series (Paperback Book) (2023)

East and Southeast Asian Perspec... (2023)

Hiroshi Ota-Tracy X.P. Zou-Ly Th...

Cover for David Androff-Janianton Damanik · The Routledge International Handbook of Social Development, Social Work, and the Sustainable Development Goals - Routledge International Handbooks (Hardcover Book) (2023)

The Routledge International Hand... (2023)

David Androff-Janianton Damanik

Cover for Janet G. Van Hell-Kara Morgan-Short · The Routledge Handbook of Second Language Acquisition and Neurolinguistics - The Routledge Handbooks in Second Language Acquisition (Hardcover Book) (2023)

The Routledge Handbook of Second... (2023)

Janet G. Van Hell-Kara Morgan-Short

Cover for Cheryl Allsop-Sophie Pike · The Routledge International Handbook of Homicide Investigation - Routledge International Handbooks (Hardcover Book) (2023)

The Routledge International Hand... (2023)

Cheryl Allsop-Sophie Pike

Cover for Rupert Wegerif · The Theory of Educational Technology: Towards a Dialogic Foundation for Design (Hardcover Book) (2023)

The Theory of Educational Techno... (2023)

Cover for Rupert Wegerif · The Theory of Educational Technology: Towards a Dialogic Foundation for Design (Paperback Book) (2023)

The Theory of Educational Techno... (2023)

Cover for Urena Tormo, Clara (La Universidad de Alcala, Spain) · Fraseologia, linguistica cognitiva y espanol LE/L2 - Routledge Innovations in Spanish Language Teaching (Hardcover Book) (2023)

Fraseologia, linguistica cogniti... (2023)

Urena Tormo, Clara (La Universid...

Cover for Emily Hipchen · The Routledge Critical Adoption Studies Reader (Paperback Book) (2023)

The Routledge Critical Adoption ... (2023)

Cover for Emily Hipchen · The Routledge Critical Adoption Studies Reader (Hardcover Book) (2023)

The Routledge Critical Adoption ... (2023)

Cover for Simone Weil · Simone Weil: Basic Writings (Paperback Book) (2023)

Simone Weil: Basic Writings (2023)

Cover for Simone Weil · Simone Weil: Basic Writings (Hardcover Book) (2023)

Simone Weil: Basic Writings (2023)

Cover for Mark Stephens-Martin Grander · The Routledge Handbook of Housing and Welfare (Hardcover Book) (2023)

The Routledge Handbook of Housin... (2023)

Mark Stephens-Martin Grander

Cover for Christophe Declercq-Koen Kerremans · The Routledge Handbook of Translation, Interpreting and Crisis - Routledge Handbooks in Translation and Interpreting Studies (Hardcover Book) (2023)

The Routledge Handbook of Transl... (2023)

Christophe Declercq-Koen Kerremans

Cover for Wei, W. (Bill) · Innovative Technology in Art Conservation: Original Appearance and Viewer Perception - Conservation in Focus (Hardcover Book) (2023)

Innovative Technology in Art Con... (2023)

Cover for Abbey, Ruth (Swinburne University of Technology, Australia) · Charles Taylor (Paperback Book) (2023)

Charles Taylor (2023)

Abbey, Ruth (Swinburne Universit...

Cover for Abbey, Ruth (Swinburne University of Technology, Australia) · Charles Taylor (Hardcover Book) (2023)

Charles Taylor (2023)

Abbey, Ruth (Swinburne Universit...

Cover for Kathleen M. Heide · The Routledge International Handbook of Juvenile Homicide - Routledge International Handbooks (Hardcover Book) (2023)

The Routledge International Hand... (2023)

Kathleen M. Heide

Cover for Ozcan Konur · Bioethanol Fuel Production Processes. II: Biomass Hydrolysis, Fermentation, and Bioethanol Fuel Separation (Hardcover Book) (2023)

Bioethanol Fuel Production Proce... (2023)

Cover for Ozcan Konur · Bioethanol Fuel Production Processes. I: Biomass Pretreatments (Hardcover Book) (2023)

Bioethanol Fuel Production Proce... (2023)

Cover for Ozcan Konur · Feedstock-based Bioethanol Fuels. I. Non-Waste Feedstocks: Starch, Sugar, Grass, Wood, Cellulose, Algae, and Biosyngas-based Bioethanol Fuels (Hardcover Book) (2023)

Feedstock-based Bioethanol Fuels... (2023)

Cover for Ozcan Konur · Feedstock-based Bioethanol Fuels. II. Waste Feedstocks: Agricultural, Food, Industrial, Urban, Forestry, and Lignocellulosic Waste-based Bioethanol Fuels (Hardcover Book) (2023)

Feedstock-based Bioethanol Fuels... (2023)

Cover for Ozcan Konur · Evaluation and Utilization of Bioethanol Fuels. I.: Evaluation of Bioethanol Fuels, Transport Engines, and Bioethanol Sensors (Hardcover Book) (2023)

Evaluation and Utilization of Bi... (2023)

Cover for Ozcan Konur · Evaluation and Utilization of Bioethanol Fuels. II.: Biohydrogen Fuels, Fuel Cells, Biochemicals, and Country Experiences (Hardcover Book) (2023)

Evaluation and Utilization of Bi... (2023)

Cover for Ali Almanna · Linguistics for Translators (Paperback Book) (2023)

Linguistics for Translators (2023)

Cover for Ali Almanna · Linguistics for Translators (Hardcover Book) (2023)

Linguistics for Translators (2023)

Cover for Georgina Rychner-Victoria M. Nagy · Women’s Criminalisation and Offending in Australia and New Zealand - Routledge Studies in Crime and Society (Hardcover Book) (2023)

Women’s Criminalisation and Offe... (2023)

Georgina Rychner-Victoria M. Nagy

Cover for Kendall, Stephen H. (Emeritus Professor of Architecture at Ball State University, Philadelphia, PA, USA.) · Open Building for Architects: Professional Knowledge for an Architecture of Everyday Environment - Open Building (Paperback Book) (2023)

Open Building for Architects: Pr... (2023)

Kendall, Stephen H. (Emeritus Pr...

Cover for Hart, Eric (Professional Prop Builder, New York, NY, USA) · The Prop Building Guidebook: For Theatre, Film, and TV (Hardcover Book) (2023)

The Prop Building Guidebook: For... (2023)

Hart, Eric (Professional Prop Bu...

Cover for Hart, Eric (Professional Prop Builder, New York, NY, USA) · The Prop Building Guidebook: For Theatre, Film, and TV (Paperback Book) (2023)

The Prop Building Guidebook: For... (2023)

Hart, Eric (Professional Prop Bu...

Cover for A.R.J. Fisher-Anna-Sofia Maurin · The Routledge Handbook of Properties - Routledge Handbooks in Philosophy (Hardcover Book) (2023)

The Routledge Handbook of Proper... (2023)

A.R.J. Fisher-Anna-Sofia Maurin

Cover for Elena , Spain) De La Cova-Elisa , Spain) Calvo · A Qualitative Approach to Translation Studies: Spotlighting Translation Problems - Routledge Advances in Translation and Interpreting Studies (Hardcover Book) (2023)

A Qualitative Approach to Transl... (2023)

Elena , Spain) De La Cova-Elisa ...

Cover for Lewis, Helen (Swansea University, Wales, United Kingdom) · Dogs in Schools: Pedagogy and Practice for Happy, Healthy, and Humane Interventions (Paperback Book) (2023)

Dogs in Schools: Pedagogy and Pr... (2023)

Lewis, Helen (Swansea University...

Cover for Lewis, Helen (Swansea University, Wales, United Kingdom) · Dogs in Schools: Pedagogy and Practice for Happy, Healthy, and Humane Interventions (Hardcover Book) (2023)

Dogs in Schools: Pedagogy and Pr... (2023)

Lewis, Helen (Swansea University...

Cover for Arturo Escandon-Prospero N. Garcia-Eduardo Negueru · Teoria sociocultural y espanol LE/L2 - Routledge Advances in Spanish Language Teaching (Hardcover Book) (2023)

Teoria sociocultural y espanol L... (2023)

Arturo Escandon-Prospero N. Garc...

Cover for Arturo Escandon-Prospero N. Garcia-Eduardo Negueru · Teoria sociocultural y espanol LE/L2 - Routledge Advances in Spanish Language Teaching (Paperback Book) (2023)

Teoria sociocultural y espanol L... (2023)

Arturo Escandon-Prospero N. Garc...

Cover for Hayat, Samuel (CEVIPOF, Sciences Po, France) · Revolutionary Republicanism: Participation and Representation in 1848 France - Routledge Studies in Radical History and Politics (Paperback Book) (2023)

Revolutionary Republicanism: Par... (2023)

Hayat, Samuel (CEVIPOF, Sciences...

Cover for Hayat, Samuel (CEVIPOF, Sciences Po, France) · Revolutionary Republicanism: Participation and Representation in 1848 France - Routledge Studies in Radical History and Politics (Hardcover Book) (2023)

Revolutionary Republicanism: Par... (2023)

Hayat, Samuel (CEVIPOF, Sciences...

Cover for Ida Koivisto-Paivi Leino-Sandberg-Maarten Hillebra · (In)visible European Government: Critical Approaches to Transparency as an Ideal and a Practice - Routledge / UACES Contemporary European Studies (Hardcover Book) (2023)

(In)visible European Government:... (2023)

Ida Koivisto-Paivi Leino-Sandber...

Cover for Frank Laczko · Measuring Global Migration: Towards Better Data for All - Routledge Key Issues in Global Migration (Paperback Book) (2023)

Measuring Global Migration: Towa... (2023)

Cover for Frank Laczko · Measuring Global Migration: Towards Better Data for All - Routledge Key Issues in Global Migration (Hardcover Book) (2023)

Measuring Global Migration: Towa... (2023)

Cover for Jones, Amy (University of Exeter, UK) · Ageing, Austerity, and Neoliberalism: Lived Experiences of Older People in a De-Industrialised Town - Social Perspectives on Ageing and Later Life (Hardcover Book) (2023)

Ageing, Austerity, and Neolibera... (2023)

Jones, Amy (University of Exeter...

Cover for Philip James · Urban Ecology: An Introduction (Hardcover Book) (2023)

Urban Ecology: An Introduction (2023)

Cover for Brazil) Parker Carmen H. Logie-Rob Cover-Richard · Routledge Handbook of Sexuality, Gender, Health and Rights (Hardcover Book) (2023)

Routledge Handbook of Sexuality,... (2023)

Brazil) Parker Carmen H. Logie-R...

Cover for Amit Kumar Jain-Sunil Pathak-Pankaj Kumar-Manowar · Laser Applications in Manufacturing - Materials, Devices, and Circuits (Hardcover Book) (2023)

Laser Applications in Manufactur... (2023)

Amit Kumar Jain-Sunil Pathak-Pan...

Cover for Rebecca Wilson-Mah · Tourism and Hospitality Management in Practice: A Case Study Collection - International Cases in Business and Management (Paperback Book) (2023)

Tourism and Hospitality Manageme... (2023)

Rebecca Wilson-Mah

Cover for Rebecca Wilson-Mah · Tourism and Hospitality Management in Practice: A Case Study Collection - International Cases in Business and Management (Hardcover Book) (2023)

Tourism and Hospitality Manageme... (2023)

Rebecca Wilson-Mah

Cover for Riffe, Daniel (University of North Carolina, Chapel Hill, USA) · Analyzing Media Messages: Using Quantitative Content Analysis in Research (Paperback Book) (2023)

Analyzing Media Messages: Using ... (2023)

Riffe, Daniel (University of Nor...

Cover for Riffe, Daniel (University of North Carolina, Chapel Hill, USA) · Analyzing Media Messages: Using Quantitative Content Analysis in Research (Hardcover Book) (2023)

Analyzing Media Messages: Using ... (2023)

Riffe, Daniel (University of Nor...

Cover for Andy Lake · Beyond Hybrid Working: A Smarter & Transformational Approach to Flexible Working (Hardcover Book) (2023)

Beyond Hybrid Working: A Smarter... (2023)

Cover for Andy Lake · Beyond Hybrid Working: A Smarter & Transformational Approach to Flexible Working (Paperback Book) (2023)

Beyond Hybrid Working: A Smarter... (2023)

Cover for Clive Barrett-Roy Tamashiro-Joyce Apsel · Museums for Peace: In Search of History, Memory, and Change (Hardcover Book) (2023)

Museums for Peace: In Search of ... (2023)

Clive Barrett-Roy Tamashiro-Joyc...

Cover for Grant, Barry Keith (Brock University, Canada) · Film Genre: The Basics - The Basics (Paperback Book) (2023)

Film Genre: The Basics - The Basics (2023)

Grant, Barry Keith (Brock Univer...

Cover for Lawrence Quill · Nostalgia and Political Theory (Hardcover Book) (2023)

Nostalgia and Political Theory (2023)

Cover for Noa Talavan · Didactic Audiovisual Translation and Foreign Language Education - Routledge Research in Audiovisual Translation (Hardcover Book) (2023)

Didactic Audiovisual Translation... (2023)

Cover for Bond, Patrick H. (Valuation Office Agency, UK) · Rating Valuation: Principles and Practice (Paperback Book) (2023)

Rating Valuation: Principles and... (2023)

Bond, Patrick H. (Valuation Offi...

Cover for Philip James · Urban Ecology: An Introduction (Paperback Book) (2023)

Urban Ecology: An Introduction (2023)

Cover for Eve Tuck-K. Wayne Yang-Jade Nixon · New Approaches to Inequality Research with Youth: Theorizing Race Beyond the Traditions of Our Disciplines (Hardcover Book) (2023)

New Approaches to Inequality Res... (2023)

Eve Tuck-K. Wayne Yang-Jade Nixon

Cover for Elizabeth Bettini-Paul T. Sindelar-Mary T. Brownel · Handbook of Research on Special Education Teacher Preparation (Hardcover Book) (2023)

Handbook of Research on Special ... (2023)

Elizabeth Bettini-Paul T. Sindel...

Cover for Bond, Patrick H. (Valuation Office Agency, UK) · Rating Valuation: Principles and Practice (Hardcover Book) (2023)

Rating Valuation: Principles and... (2023)

Bond, Patrick H. (Valuation Offi...

Cover for Marygrace O'Shea · Conversations with Women Showrunners (Paperback Book) (2023)

Conversations with Women Showrun... (2023)

Marygrace O'Shea

Cover for Marygrace O'Shea · Conversations with Women Showrunners (Hardcover Book) (2023)

Conversations with Women Showrun... (2023)

Marygrace O'Shea

Cover for Aaron Fenster · 3D Ultrasound: Devices, Applications, and Algorithms - Imaging in Medical Diagnosis and Therapy (Hardcover Book) (2023)

3D Ultrasound: Devices, Applicat... (2023)

Cover for Durk Gorter-Jasone Cenoz · The Minority Language as a Second Language: Challenges and Achievements - Second Language Acquisition Research Series (Paperback Book) (2023)

The Minority Language as a Secon... (2023)

Durk Gorter-Jasone Cenoz

Cover for Durk Gorter-Jasone Cenoz · The Minority Language as a Second Language: Challenges and Achievements - Second Language Acquisition Research Series (Hardcover Book) (2023)

The Minority Language as a Secon... (2023)

Durk Gorter-Jasone Cenoz

Cover for Donnelly, K.J. (University of Southampton, UK) · The Synergy of Music and Image in Audiovisual Culture: Half-Heard Sounds and Peripheral Visions (Paperback Book) (2023)

The Synergy of Music and Image i... (2023)

Donnelly, K.J. (University of So...

Cover for Donnelly, K.J. (University of Southampton, UK) · The Synergy of Music and Image in Audiovisual Culture: Half-Heard Sounds and Peripheral Visions (Hardcover Book) (2023)

The Synergy of Music and Image i... (2023)

Donnelly, K.J. (University of So...

Cover for Nour Dakkak · E. M. Forster’s Material Humanism: Queer Matters - Routledge Interdisciplinary Perspectives on Literature (Hardcover Book) (2023)

E. M. Forster’s Material Humanis... (2023)

Cover for Eve Tuck-K. Wayne Yang-Jade Nixon · New Approaches to Inequality Research with Youth: Theorizing Race Beyond the Traditions of Our Disciplines (Paperback Book) (2023)

New Approaches to Inequality Res... (2023)

Eve Tuck-K. Wayne Yang-Jade Nixon

Cover for Emiliano Bosio-Maria Guajardo · Value-Creating Education: Teachers’ Perceptions and Practice - Routledge Series on Life and Values Education (Hardcover Book) (2023)

Value-Creating Education: Teache... (2023)

Emiliano Bosio-Maria Guajardo

Cover for Kathrin Bartha-Mitchell · Cosmological Readings of Contemporary Australian Literature: Unsettling the Anthropocene - Routledge Environmental Literature, Culture and Media (Hardcover Book) (2023)

Cosmological Readings of Contemp... (2023)

Kathrin Bartha-Mitchell

Cover for Jaume Navarro-Kostas Tampakis · Science, Religion and Nationalism: Local Perceptions and Global Historiographies - Routledge Studies in Modern History (Hardcover Book) (2023)

Science, Religion and Nationalis... (2023)

Jaume Navarro-Kostas Tampakis

Cover for David Brereton-Matthew Himley-Gerardo Castillo Guz · Mining, Mobility, and Social Change in the Global South: Regional Perspectives - Routledge Studies of the Extractive Industries and Sustainable Development (Hardcover Book) (2023)

Mining, Mobility, and Social Cha... (2023)

David Brereton-Matthew Himley-Ge...

Cover for Bryce Lease-Michal Kobialka-Maria M. Delgado · Staging Difficult Pasts: Transnational Memory, Theatres, and Museums (Paperback Book) (2023)

Staging Difficult Pasts: Transna... (2023)

Bryce Lease-Michal Kobialka-Mari...

Cover for Bryce Lease-Michal Kobialka-Maria M. Delgado · Staging Difficult Pasts: Transnational Memory, Theatres, and Museums (Hardcover Book) (2023)

Staging Difficult Pasts: Transna... (2023)

Bryce Lease-Michal Kobialka-Mari...

Cover for Hayriye Kayi-Aydar · Critical Applied Linguistics: An Intersectional Introduction (Hardcover Book) (2023)

Critical Applied Linguistics: An... (2023)

Hayriye Kayi-Aydar

Cover for Hayriye Kayi-Aydar · Critical Applied Linguistics: An Intersectional Introduction (Paperback Book) (2023)

Critical Applied Linguistics: An... (2023)

Hayriye Kayi-Aydar