What did Eric Metaxas write?

Eric Metaxas wrote Bonhoeffer: Pastor, Martyr, Prophet, Spy, Martin Luther: The Man Who Rediscovered God and Changed the World, Seven Men: And the Secret of Their Greatness, Seven Women: And the Secret of Their Greatness, and Amazing Grace: William Wilberforce and the Heroic Campaign to End Slavery. This is a short list of the author's novels.