Sangre or "Blood" in Spanish, is the Earth-like planet ruled by a sadistic cannibal elite, The Brotherhood of Pain in Norman Spinrad's 1967 novel of violent revolution The Men in the Jungle. Sangre has a population of 15 million humans, most of whom are descendants of captives taken when the Brotherhood of Pain raided the now Lost Colony of Eureka, and a native popualtion of semi-intelligent insects.