The SAGE Publications Research Design 4th Edition by John W. Creswell is a comprehensive textbook on social science research methods, including qualitative, quantitative, and mixed methods. Published in 2014, this paperback book is designed for advanced adult education and further education levels. With a focus on design, methodology, and statistics, this textbook provides a detailed guide to conducting research in the social sciences. Written in English, it is a valuable resource for students and professionals looking to enhance their research skills.