Jon M. Sweeney's popular history,  The Pope Who Quit, was optioned by HBO. In addition to  The Pope's Cat series for children, he's the author or translator of many other books  including The Complete Francis of Assisi, and  Francis of Assisi in His Own Words: The Essential Writings, often used in classes, book groups, and for individual study by people around the world wanting to know more about St. Francis of Assisi. Jon lives in Milwaukee with his wife, daughters, and cats.
Roy DeLeon is an Oblate of St. Benedict, a spiritual director, a workshop facilitator focused on creative praying, an Urban Sketcher, and a professional illustrator. In addition to illustrating  The Pope's Cat series, he is also the author of  Praying With the Body: Bringing the Psalms to Life. He lives in Bothell, Washington, with his wife, Annie.