George Bloom

Follows the journey of these mysterious and adored animals from the African savanna to the modern home. Along the way, discover the secret lives of felines great and small--their evolution, anatomy, habitat, behavior, and more.

Ms. Frizzle and her class are under pressure, air pressure that is when they fly inside an empty jar to find out just why plain old air is pushy stuff!

Gravity pulls on Phoebe, so she can't slam-dunk. Ms. Frizzle takes the class into space and turns the Bus into a planet - with adjustable gravity!

Gravity pulls on Phoebe, so she can't slam-dunk. Ms. Frizzle takes the class into space and turns the Bus into a planet - with adjustable gravity!