Jonathan London has written more than one hundred picture books for children, many of them about wildlife, including Eyes of Gray Wolf, The Seasons of Little Wolf, Little Puffin's First Flight, and Pup the Sea Otter. He has sold more than 1.5 million books and is known in particular for his Froggy series. He lives with his wife in northern California. Alaskan Jon Van Zyle has been the official artist of the Iditarod for nearly thirty years. Over a long and distinguished career, Van Zyle has painted the illustrations for many books, including Little Puffin's First Flight, The Seasons of Little Wolf, Iditarod Adventures, Eyes of Gray Wolf, and Douggie. Jon and his wife, Jona, also an artist, live near Eagle River, Alaska, where they raise and train Siberian Huskies.