Rocky road trip /
[written by Judith Bauer Stamper ; illustrations by Hope Gangloff].
- New York : Scholastic, 2003.
- 89 p. : ill. ; 20 cm.
- A magic school bus science chapter book ; 20 .
"Based on The Magic School Bus books written by Joanna Cole and illustrated by Bruce Degen."-- verso t.p.
Ms. Frizzle's class looks into the world of rocks.
0439560535 (pbk.)
Rocks--Fiction. School field trips--Fiction. Rocks.