In this issue of "Tin House" some of today's most prominent writers examine evil in its various manifestations, from war to torture to Satanism. Featured here, among others, are works by Francine Prose, author of "A Changed Man, " Nick Flynn, author of the award-winning collection of poems "Some Ether, " and Chris Adrian, whose short fiction has appeared in "The Paris Review, McSweeney's, The New Yorker, " and "The Best American Short Stories.".