Katherine Stone is the New York Times bestselling author of twenty-two novels, including her new Christmas novel, SLEIGH BELLS RING. Katherine's books have been translated into twenty languages and are sold worldwide. A physician who now writes full-time, she lives in the Pacific Northwest with her husband, physician and novelist Jack Chase (Fatal Analysis, Mortality Rate, The Magruder Transplant. Katherine's website is www.katherinestone.com. Jack's website is www.medicalthriller.com.