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Christopher Maynard is an editor and author with more than 50 books under his belt. He is the winner of the 1996 Rhï¿½ne-Poulenc Prize for Junior Science Book of the Year, and has been the runner-up for the TES Senior Information Book Award. He is the author of Jobs People Do, Days of the Knights, Science Kit, The Best Book of Dinosaurs, and Pirates!: Raiders of the High Seas.Harriet Griffey is the author of several works, including DK Readers: Earthquakes and Other Natural Disasters, DK Readers: Secrets of the Mummies, Ruby the Ballet Star: A Twirly-Whirly Pop-Up Book, and Ruby the Musical Star: A Ting-a-ling Pop-Up Book.