BEIRUT: When Salim, a 20-year-old Egyptian, told his family that he was gay, they packed him off for six months of psychiatric treatment. When Ali, a teenager from Lebanon, was discovered to be gay, his father broke a chair over his head and his brother threatened to kill him for tarnishing the family honor. Ali left home and no longer has any contact with his relatives.

When the family of another young Egyptian man found out their son was gay, they beat him and then sent him to a therapist. He convinced a young woman to pose as his girlfriend for a while, but once that ruse was up, his family beat him again, this time so harshly that he fled Egypt for the United States, where he applied for political asylum.

These are just a few among the many anecdotes that Brian Whitaker, the Middle East editor for The Guardian newspaper in London, relates in his new, groundbreaking book, "Unspeakable Love: Gay and Lesbian Life in the Middle East."...