Sexual Evolution : How 500 Million Years of Sex, Gender, and Mating Shape Modern Relationships, Hardcover by Lents, Nathan H., ISBN 0063375443, ISBN-13 9780063375444, Brand New, Free shipping in the US

An evolutionary biologist argues that sexual diversity is a long-standing biological phenomenon, not a modern invention, drawing on a wide range of animal examples to illustrate how nature embraces various sexual behaviors, ultimately suggesting that embracing this diversity can enhance our understanding of human sexuality and counteract societal bigotry.