Book excerpt: This Encyclopedia is a comprehensive A-Z reference with over 500 entries that define sexuality from a broad biocultural perspective and show the diversity of human sexual behavior and belief systems. • Contains entries ranging from short definitions of scientific, clinical, cultural, and colloquial terms to extended explorations of major concepts • Covers 13 key areas of content, from clinical medicine and body modification to the language of sexuality and the history of sexology • Serves as an essential resource for students, scholars, and researchers with contributions from an international team of top scholars and practitioners 3 Volumes www.encyclopediaofhumansexuality.com