The Psychology of Human Sexuality Justin J. Lehmiller is an English-language printed study book that provides extensive insights into human sexuality through a biopsychosocial approach. The book is aimed at professionals and covers a wide range of topics, including sexual orientation, gender, sexual behaviors, and relationship processes.
The text material discusses theories about sexual diversity and attitudes worldwide, with attention to sexual difficulties, solutions, and current scientific developments. The text is written from a sex-positive perspective and includes recent research findings on the psychology of gender identity and sexual orientation. In addition to the theoretical foundation, the book contains practical online learning resources, such as a test bank and slides for instructors.
This reference work aligns in content with fields such as Psychology: sexual behaviour, PSYCHOLOGY / Human Sexuality, and Psychology: Professional & General.

