Houghton Mifflin Harcourt's popular, long-running Best American Series is adding a volume on science fiction and fantasy. The Best American Science Fiction and Fantasy will be released on October 25, edited by John Joseph Adams (editor of digital magazines Lightspeed and Nightmare) as series editor, and Joe Hill (NOS4A2) as the inaugural guest editor. Pieces set to appear in the collection will be pulled from print magazines, online publications and original anthologies.