The Apprentice by Tess Gerritsen

Tess Gerritsen left a successful practice as an internist to raise her children and concentrate on her writing. 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 Life Support, Bloodstream, Gravity, and The Surgeon. Tess Gerritsen lives in Maine.From the Hardcover edition.