To celebrate its 20th anniversary, Scholastic is re-releasing the ten original Magic School Bus titles in paperback. With updated scientific information, the bestselling science series ever is back!The classroom is decorated as Dinosaur Land, but Ms. Frizzle-inspired by an archeological dig-craves a more authentic experience. The Magic School Bus turns into a time machine and transports the class back millions of years to an adventure where they learn about dinosaurs, their habitats and diets, and even a Maiasaura nesting ground.