Greg Bear is the author of Hull Zero Three (Orbit, November 2010), City at the End of Time (Del Rey 2009), Mariposa (Perseus paperback November 2010), Halo: Silentium, Halo: Primordium, and Halo: Cryptum (Tor, January 2013, 2012, and 2011). He's the father of two young writers, Erik and Alexandra. Greg's wife, Astrid Anderson Bear, has sold her first short story to San Diego Noir, in collaboration with Diane Clark.