Ms. Frogbottom’s Magical Map Collection (4-Book Boxed Set)Magic School Bus meets The Magic Tree House in this school based chapter book series by bestselling author Nancy Krulikthe first four books now together in a collectible paperback boxed set! Learning is an adventure in Mrs. Frogbottoms class, because shes got a magic mapone that takes her students all over the world to do battle with mythical monsters no one believes are real. All Mrs. Frogbottom has to do is pull down the map, tap a country with her