Ultimate Showdown (Middle School #5)

James Patterson is the world's bestselling author. The creator of Max Einstein and Middle School, he founded JIMMY Patterson to publish books that young readers will love. He lives in Florida with his family.

Martin Chatterton was born in Liverpool, England and has been successfully writing and illustrating books for almost thirty years. He has written dozens of children's books and illustrated many more for other writers, including several British Children's Laureates. His work has been published in fourteen languages and has won and been shortlisted in numerous awards in the UK, US, and Australia. Alongside writing for children, Martin writes crime fiction (as Ed Chatterton), continues to work as a graphic designer, and is currently working on his PhD. After time spent in the US, Martin now divides his time between Australia and the UK. Daniel Griffo was always drawn towards creating and drawing images. In his teens, he became a self-taught comic illustrator and worked for both Argentinean and Italian publishers. As a freelance illustrator, Daniel has worked for many large companies including Image Comics, Warner, and Scholastic. He currently resides in Argentina with his wife and children.