TIMOTHY KNAPMAN is the author of over 70 books for children, including the bestselling Dinosaurs in the Supermarket and its sequels; Superhero Mum, Dad and Gran; Dinosaurs Don't Have Bedtimes; Sometimes I Am Furious; Mungo and the Picture Book Pirates; Who's Afraid of the Big Bad Bogey and Captain Sparklebeard. He has co-written the musicals Imaginary; Growl: The True Story of the Big Bad Wolf; Danni Hero; Before After and Midnight. NIK HENDERSON is an illustrator and visual development artist, and has worked with several clients such as Pixar, Abrams, Redstar 3D, and Harper Collins. He grew up in Missouri, and studied illustration at the Savannah College of Art & Design. Besides illustrating, he enjoys collecting/researching aviation history, writing, and building scale models.