Philip David Yancey, born November 4, 1949, is a retired American Christian author recognized for his works addressing spiritual issues. His books have achieved sales exceeding 15 million copies in English and have been translated into 40 languages, establishing him as one of the best-selling contemporary Christian authors. Notable among his works, "The Jesus I Never Knew" (1996) and "What's So Amazing About Grace?" (1998) both received the ECPA's Christian Book of the Year Award.