"Based on the episode from the animated TV series produced by Scholastic Productions, Inc.. Based on the Magic school bus book series written by Joanna Cole and illustrated by Bruce Degen"--T.p. verso. "TV tie-in book adaptation by Linda Beech and illustrated by Ted Enik ; TV script written by Brian Meehl, John May, and Jocelyn Stevenson"--T.p. verso.

It's Ms. Fizzle's birthday and the class wants to surprise her with a party. But something's missing - a birthday cake! As usual, their trip to the bakery becomes an adventure, allowing you to learn a thing or two about kitchen chemistry.

Ages 4 to 8.