A is for Alien is Caitlin R. Kiernan's fifth short story collection, her first devoted entirely to her science fiction work. It was published by Subterranean Press in 2009. Cover art was provided by Jacek Yerka, and interior illustrations by Vince Locke. The book closes with an afterword by Elizabeth Bear. "'Ode' to Katan Amano" originally appeared in Kiernan's 2005 collection of "weird erotica," Frog Toes and Tentacles.