The mystery of the Moon Tower

"Kyle is a new kid in town who likes to draw. Vic is a cool cheerleader who's secretly a math whiz. Quiet Beth is a history buff, while goofball Harry likes performing magic tricks, with the help of his patient wingman, Nate. Five kids unlikely to form a team, for sure. But then they're thrown together at summer camp, where they watch a grainy old movie about the history of their town, Windrose, and one of its illustrious citizens of a bygone era: the intrepid explorer-inventor Henry Merriweather. He's the one who established their camp. Merriweather's Camp Pathfinders' motto? Plus Ultra: more beyond! The five kids soon find there is indeed 'more beyond' in their pokey town with its weird weather and sudden geysers of smelly air. Deciphering a route of historical markers leads them to Merriweather's old castle, which is lined with ornate, beautiful tiles in hallways that lead to secret rooms full of odd objects--and where time itself is warped!"--Amazon.