Ms. Frizzle's adventures : medieval castle /
by Joanna Cole ; illustrated by Bruce Degen.
- 1st ed.
- New York : Scholastic Press, c2003.
- [40] p. : col. ill. ; 31 cm.
When Ms. Frizzle and her student Arnold follow an underground passage beneath Craig's Castle Shop and find themselves in the middle of a siege of a 12th century English castle, they learn a great deal about both castles and the Middle Ages.