- ISBN: 9780545227599 | 0545227593
- Cover: CD
- Copyright: 9/1/2010
The bestselling science series ever is now available on audio! Format: Paperback book & CD Narrator: Cassandra Morris, Polly Adams, and a cast of children. 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!