Max's Secret Formula

Jeffrey and the Fourth Grade Ghost #4

by Megan Stine

80 pages, Paperback

First published January 1, 1989

About the author

Megan Stine is an American author and editor known for writing more than 100 books for young readers. Her work includes teen etiquette, tie-in fiction, and bestselling Mary-Kate and Ashley titles. She has also developed television projects and works as a portrait and fine art photographer for Real U Guides.