Stine, Megan.

Max's secret formula / by Megan Stine and H. William Stine. - New York : Fawcett Columbine, c1989. - 74 p. : ill. ; 18 cm. - Jeffrey and the fourth-grade ghost ; #5 .

ISBN: 0449904172 (pbk.)

Subjects--Topical Terms:
Ghosts--Fiction.
Science--Experiments--Fiction.