T. Lively Fluharty is an accomplished illustrator whose artwork has appeared in such publications as Time Magazine, Sports Illustrated, and Focus on the Family. His work has been recognized by the Society of Illustrators, Communications Arts, and Spectrum. Fluharty illustrated The Barber Who Wanted to Pray and The Boy and the Ocean, as well as Fool Moon Rising which he cowrote with his wife, Kristi.

R. C. Sproul (1939-2017) was founder of Ligonier Ministries, an international Christian discipleship organization located near Orlando, Florida. He was also first minister of preaching and teaching at Saint Andrew's Chapel in Sanford, Florida; first president of Reformation Bible College; and executive editor of Tabletalk magazine. His radio program, Renewing Your Mind, is still broadcast daily on hundreds of radio stations around the world and can also be heard online. Sproul contributed dozens of articles to national evangelical publications, spoke at conferences, churches, colleges, and seminaries around the world, and wrote more than one hundred books, including The Holiness of God; Chosen by God; and Everyone's a Theologian. He also served as general editor of the Reformation Study Bible.