Thompson, Carol.

The case of the volcano mystery : a novelization / by Carol Thompson. - New York : Scholastic, c1997. - 80 p. : ill. ; 20 cm. - The adventures of Mary-Kate & Ashley .

Three marshmallow-mining prospectors have been scared away from their mine by a claim-jumping, snowball-throwing monster. In a wild volcanic wilderness like Jelly Jungle, what kind of monster can the twins be up against?

ISBN: 0590880144 (pbk.)

Subjects--Topical Terms:
Mystery and detective stories.