Mark Terry is the author of the Derek Stillwater series, which includes The Devil's Pitchfork, The Serpent's Kiss, The Fallen, and several standalone novels. He is a contributing essayist in Thrillers: 100 Must-Reads. When not writing, Mark practices guitar, lifts weights, bikes, runs, and studies Sanchin-Ryu karate, in which he holds the level of black belt.