Just a mess /
by Mercer Mayer.
- Racine, Wis. : Western Pub. Co., c1987.
- [unpaged] chiefly col. ill. ; 21 cm.
- A Little Critter book / by Mercer Mayer A Golden look-look book .
- Mayer, Mercer, 1943- Little Critter book. .
"A Golden book--New York."
A boy cleans up his messy room to try to find his baseball mitt.