This textbook, titled "Research Design: Qualitative, Quantitative, and Mixed Methods Approaches," authored by J. David Creswell and John W. Creswell, is a comprehensive guide to conducting research in the field of design. The book, published by SAGE Publications, Inc. in 2018, provides detailed information on the different research methods used in design, including qualitative, quantitative, and mixed methods approaches.

The 304-page trade paperback, with dimensions of 10in x 7in x 0.6in and a weight of 19 oz, is written in English and is an excellent resource for anyone interested in design research. It covers topics such as research questions, sampling, data collection, data analysis, and writing research proposals. This textbook is a must-have for students, researchers, and practitioners in the field of design.