Bob Ostrom has written at least 5 books. Their most popular book is The Magic School Bus Blows Its Top: a Book About Volcanoes with 1 save with an average rating of -⭐.
They are best known for writing in the genres Young Adult, Science fiction, and Juvenile Fiction.
The Magic School Bus Blows Its Top The Magic School Bus Blows Its Top: a Book About Volcanoes
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