In this powerful, visceral novel about love, sex, and the struggle for a better world, two men collaborate on a book in defense of homosexuality, then a crime-risking their old lives in the process. In the summer of 1894, John Addington and Henry Ellis begin writing a book arguing that what they call "inversion," or homosexuality, is a natural, harmless variation of human sexuality. Though they have never met, John and Henry both live in London with...