Wild Cards

Wild Cards is a science fiction and superhero anthology series set in a shared universe. The series was created by a group of New Mexico science fiction authors, and mostly edited by George R. R. Martin. There were 12 volumes published between 1987 and 1993 before it switched publishers, which released three new volumes between 1993 and 1995; a fourth appeared belatedly in 2002, and a fifth in early 2006.