The History of Sexuality : An Introduction by Michel Foucault
• Paperback: 176 pages
• Publisher: Vintage; Reissue edition (April 14, 1990)
• ISBN: 0679724699
She's Not There : A Life in Two Genders by Jennifer Finney Boylan
• Hardcover: 320 pages
• Publisher: Broadway; 1st edition (July, 2003)
• ISBN: 076791404XEvolution's Rainbow : Diversity, Gender, and Sexuality in Nature and People by Joan Roughgarden
• Hardcover: 472 pages
• Publisher: University of California Press (May 1, 2004)
• ISBN: 0520240731