The MSB Inside a Volcano Part of Set: The Magic School Bus Science Box1 Author: Kristin Earhart ISBN: 9780545356855 Format: Paperback Publication Date: 2012 No of Pages: 32 SKU: 9780545356855 Categories: 7-9 yrs, 8-11 yrs, Magic School Bus Science Box1 Related products Inside your Outside! Read more Oh, the pets you can get! Read more One cent, two cents, old cent, new cent Read more Hit the beach Read more