Roger S. Baum is a bestselling children's book author and the great-grandson of L. Frank Baum, creator of the original Oz book series. He is the author of Dorothy of Oz, The Green Star of Oz, and Lion of Oz and the Badge of Courage. He lives in Branson, Missouri. Victoria Seitzinger is a self-taught artist who has worked in advertising as a pictorial-billboard painter. Her illustrations appear in The Green Star of Oz, Toto of Oz and the Surprise Party, and The Wizard of Oz and the Magic Merry-Go-Round. She resides in Portland, Oregon.