Release date supplied by publisher. Print book published: New York : Scholastic Inc., [1987]. Audiobook originally released by Scholastic. Issued as a Wonderbook, a pre-loaded audiobook player permanently attached to a hardcover book. Powered by a rechargeable battery ; USB charger required for recharging. Audiobook player has 2 modes. Read-Along mode narrates the story. Learning mode asks questions related to the story. Read by Polly Adams.
Summary:
On a special field trip in the magic school bus, Ms Frizzle's class learn at first hand about different kinds of rocks and the formation of the earth.
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