"Assessing Race, Ethnicity, and Gender in Health Research" is a scholarly book that addresses the complex issues of race, ethnicity, and gender in the context of health research. Written by Sana Loue, the book provides a comprehensive analysis of the ethical and technical challenges associated with capturing these sensitive variables. It highlights the relevance and marginalization that can occur in data collection and offers a critical examination of existing classification systems. Loue draws parallels between the development of race and gender categories and the evolution of health research, providing an informed overview of current assessment tools for measuring identity and experience. This book is a valuable resource for professionals dealing with the social determinants of health and the associated inequalities.