Surprises according to Humphrey / Betty G. Birney.
While continuing to help his classmates solve their problems, Humphrey, pet hamster of Longfellow School's Room 26, faces many surprises, like rolling in a hamster ball, a substitute janitor who might be an alien, and the possibility of Mrs. Brisbane retiring.
New York :
G. P. Putnam's Sons,
|Series:||Birney, Betty G. Humphrey adventures ;
Walker Library - Curriculum Collection - Juvenile - 3rd Floor
Pull and Hold