Ms. Frizzle, an unflappable science teacher, drives the magical school bus into a cloud where the children shrink to the size of water droplets and follow the course of water through the city’s waterworks system.
Book lists this appears on
Themed Booklist
Secrets of Science
Other books by this author
The Magic School Bus: Inside a Beehive
Age Level:
6-9 
The Magic School Bus: Inside the Human Body
Age Level:
6-9