Bruce Degen

When señorita Carola takes her class to a dinosaur dig to look for Maiasaura nests, the Magic School Bus turns into a time machine and transports them back into prehistoric times--when dinosaurs roamed the Earth.

Ms. Frizzle and her students go to the new science museum to get ideas for their science fair projects, but a cardboard bus display provides Ms. Frizzle with the perfect vehicle to take the kids on a tour of scientists throughout history.