EVERYTHING YOU WANTED TO SEE AND READ ABOUT UNUSUAL SEX (BUT FULLY ILLUSTRATED). Vol. 1-6 [A Complete Set].
Los Angeles: Calga Publishers, 1970. Six volumes, each 192pp., including author biography, a bibliography, and illustrated throughout with sexually explicit color and b/w photographs. This is the Sexual Enlightenment series, covering Unusual Sex, Unusual Sex and the Law, Paraphilia, Oral-Genital Sex, Anal Sex, Group Sex, Interracial Sex, Voyeurism, Transvestism, Fetishism..... More