When Ms. Frizzle drives the Magic School Bus full speed ahead into the ocean, the class takes a submarine expedition that's anything but ordinary. With a well-meaning lifeguard in tow, the class takes a deep breath and learns about hot water vents, coral reefs, plant and animal life on the ocean floor, and more!
In a starred review, PW praised ``this fanciful yet scientifically accurate romp'' in which ``weighty information is buoyantly supported by energetic, cartoony illustrations.'' Ages 6-9. (July)