Bruce Bagemihl
Biological Exuberance: Animal Homosexuality and Natural Diversity
$49.00
Eliot Schrefer
Queer Ducks (and Other Animals): The Natural World of Animal Sexuality
$25.00
Ingram
S=ex²: The Science of Sex
$53.00
The Myth of Monogamy: Fidelity and Infidelity in Animals and People
$29.00