An Exciting Time Travel Series That Explores American History By Taking Readers Back In Time To Each State April and Toad were hoping to go home to New York with their father. But History had other ideas. This time, the magical book sends April, Henry, and Toad to Colorado where they'll face their most dangerous threats yet: grizzly bears, lightning fast trains, and snow. Lots and lots of snow!Can the three kids find the missing pieces to the puzzle... or will they be stuck in history forever? The History Mystery Kids 3: Midnight in Massachusetts is the third book in an exciting new time travel series meant for children who have already been reading chapter books and are ready for something more advanced. In each book, this funny adventuresome series transports children back in time to one of American's fifty states. The History Mystery Kids is another fantastic series by children's writer Daniel Kenney, the author behind the Math Inspectors, the Science Inspectors, Project Gemini, and the Big Life of Remi Muldoon.