His books (variously published by WaterBrook Press, Bantam Books, HarperCollins, Zondervan, Word and Tyndale House) have sold more than 7 million copies and have been printed in 24 languages.
Buku-bukunya (diterbitkan oleh berbagai penerbit, termasuk WaterBrook Press, Bantam Books, HarperCollins, Zondervan, Word dan Tyndale House) telah terjual lebih dari 7 juta jilid dan dicetak dalam 24 bahasa.