Nick Arnold is the bestselling author of the Horrible Science series, which has been awarded Britain's Aventis Prize for Science Books. He has written many other books for children, including the Wild Lives series, and he serves as the director of the Appledore Book Festival. Nick also works as a professional historian and located an ancient battlefield that had been lost for one thousand years. He lives in Devon, England. Visit him online at nickarnold-website.com. Allan Sanders is internationally renowned for his powerful, quirky illustrations. They have appeared in books, magazines, newspapers, and advertising, including The Economist, The Guardian, New Scientist, and the Los Angeles Times. His interactive and animation work has been featured in exhibitions at the London Science Museum. He lives in Brighton, England. You can visit him online at loopland.net.