Fuzzy mud

Two middle-grade kids take a shortcut home from school and discover what looks like fuzzy mud but is actually a substance with the potential to wreak havoc on the entire world.

Bibliographic Details
Main Author: Sachar, Louis
Format: BOOK
Other Format: EBOOK EAUDIO AUDIOBOOK PLAYAWAY
Language:ENGLISH
Published: Yearling, an imprint of Random House Children's Books 2017
Subjects: