Cole, Joanna.

The MSB: at the Waterworks / by Joanna Cole ; ill. by Bruce Degen. - New York : Scholastic, c1986. - 39 p. : col. ill. ; 20 x 24 cm.

Children's Catalog (Wilson) *BOOKLIST* *SLJ*

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.

2.8 Spache Formula K-3 Follett Library Book Co.

ISBN: 0590403605

Subjects--Topical Terms:
Water treatment plants.
School excursions.
Water--Purification.
Field trips

Dewey Class. No.: 628.1