Thomas Canavan has written more than 50 books for children and young adults. Under his real name, Sean Connolly, he has won awards for a well-known series of humorous children's science experiments books, and has regularly toured North America to promote them. He lives in rural Wiltshire with his wife and their three children. Marc Powell is a lively writer with over 19 years' experience. He has written across several genres, from children's titles to gaming magazines. Anne Rooney is an award-winning author who writes on science and the history of science for children and adults. Her Dinosaur Atlas was shortlisted for the Royal Young People's Book Award 2018 and won the School Library Association Information Book Award (ages 7-12), 2018. William Potter is a prolific author of children's non-fiction. He has also written and edited a wide range of well-known comics and magazines, such as Teenage Mutant Ninja Turtles, Sonic the Comic, Marvel Fact Files, Marvel Chess Specials and DC Chess Collection. He lives in Haslemere, UK. Luke Seguin-Magee is an artist of children's books and comics. In the course of his career he has also designed, made graphics, illustrations and animations for computer games, websites and apps for a wide range of clients in Denmark, Canada and USA. He hails from Montreal, Canada, and now resides in Copenhagen and Stockholm.