Bobbie Wolgemuth has been in the mothering business for over thirty years, raising two daughters to adulthood, and is the grandmother of five. She has been singing hymns since childhood and has performed internationally. She is the co-author of the Great Hymns of Our Faith series with her husband, Robert, Joni Eareckson Tada, and John MacArthur (Crossway). Her other books include With Love from Mom and The Most Important Year in a Woman’s Life.

Joni Eareckson Tada is CEO of Joni and Friends, a global ministry that serves the practical and spiritual needs of people with disabilities. She is also an artist and the author of numerous bestselling books, including Joni; A Place of Healing; and When God Weeps. Joni and her husband, Ken, reside in Calabasas, California.

Sergio Martinez was born in Mexico City, studied art in Paris, and has worked as an art director and illustrator on three continents. He has done freelance illustrative work for Disney Press and other major publishers, and has illustrated internationally renowned gift editions of several literary classics including Peter Pan, Pinocchio, and A Christmas Carol. His classic style graces the pages of many children's books including Crossway's best-selling children's book, You Are Special, also written by Max Lucado.