Obverse Books is a British publisher initially known for publishing books relating to the character Iris Wildthyme, and currently for the Black Archive series of critical books on Doctor Who, and two sister series - the , focusing on Star Trek, and the , featuring other genre shows. The company also owns publishing rights for stories based on Faction Paradox, and previously held the license to Sexton Blake. Obverse Books had an e-book only imprint named Manleigh Books between 2012 and 2016.