Studies in the Psychology of Sex, Volume 1: The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-Erotism

This scholarly volume examines the evolution of modesty, patterns of sexual periodicity, and the phenomenon of auto-erotism through historical, biological, psychological, and anthropological evidence. Ellis draws on scientific research and cross-cultural observations to explore human sexuality in a systematic and analytical manner. The work is a foundational contribution to early sexology.