The Wizard's War (Key Hunters #4)

Joe Whale AKA the Doodle Boy is a ten-year-old boy from the UK whose artwork went viral after he was commissioned by a local restaurant to decorate an eight-foot wall. Since then, he has been interviewed by the Insider and appeared on Ellen Degeneres's Little Big Shots (hosted by Melissa McCarthy). He has also been sought after by corporate offices, hotels, and restaurants to fill their walls with his illustrations.
Eric Luper has written books for kids of all ages, including the YA novel Seth Baumgartner's Love Manifesto. He loves excitement and is always looking for his next adventure. Eric has fibbed his way into a tour of the ultra-secret PEZ headquarters, rebuilt a castle in France, explored the tunnels under Paris and Istanbul, escaped hungry crocodiles in Costa Rica, and rafted down the Colorado River. He lives with his family in Albany, New York.