Philip Yates lives in Austin, TX, and works at the Will Hampton Branch of Oak Hill Library in the Austin Public Library system. He is the co-author, with Matt Rissinger, of several humor books for children, including Biggest Joke Book in the World, Great Book of Zany Jokes, and World's Silliest Jokes, all published by Sterling. His first pirate picture book for Sterling was A Pirate's Night Before Christmas. Sebastia Serra hails from Barcelona, Spain, where he studied Fine Arts at the Universitat de Barcelona. He is an award-winning illustrator whose work has appeared in magazines and on television. Sebastia has illustrated a number of picture books in Spain and in the US. His work has also been displayed in exhibitions all over the world, including the US, Italy, Japan, China, and Korea.