Tess Gerritsen is a physician and an internationally bestselling author. She gained nationwide acclaim for her first novel of medical suspense, the New York Times bestseller Harvest. She is also the author of the bestsellers The Bone Garden, The Mephisto Club, Vanish, Body Double, The Sinner, The Apprentice, The Surgeon, Life Support, Bloodstream, and Gravity. Tess Gerritsen lives in Maine.