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- ISBN: 9780545227513 | 0545227518
- Cover: CD
- Copyright: 9/1/2010
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!