Jonathan London is the author of more than one hundred children’s books, including the Froggy series, illustrated by Frank Remkiewicz, which has sold more than fifteen million copies; the popular Duck and Hippo series, illustrated by Andrew Joyner; and Pup the Sea Otter, illustrated by his son Sean London. Jonathan lives in Graton, California. Learn more at www.jonathan-london.net. Andrew Joyner is an Australian illustrator and author whose work has been published in more than twenty-five countries. He has created the artwork for many picture books; in addition to illustrating Jonathan London’s Duck and Hippo series, he is also the author and illustrator of a chapter book series about a warthog named Boris. Andrew lives in South Australia. Learn more at www.andrewjoyner.com.au.