THIS EDITION IS INTENDED FOR USE IN SCHOOLS AND LIBRARIES ONLY. When Ms. Frizzle, the strangest teacher in school, takes her class on a field trip to the waterworks, everyone ends up experiencing the water purification system from the inside.

שם הספר
The missing tooth
The magic school bus sees stars : a book about stars
Mixed-up magic
The magic school bus inside the human body
The magic school bus at the waterworks