How have major civilizations of the last two millennia treated people who were attracted to their own sex? In a narrative tour de force, Louis Crompton chronicles the lives and achievements of homosexual men and women alongside a darker history of persecution, as he compares the Christian West with the cultures of ancient Greece and Rome, Arab Spain, imperial China, and pre-Meiji Japan. Ancient Greek culture celebrated same-sex love in history, literature, and art, making high claims for its moral influence. By contrast, Jewish religious leaders in the sixth century B.C.E....