Mysteries according to Humphrey /
Betty G. Birney.
- First Scholastic printing.
- New York : Scholastic Inc., 2013, c2012.
- 146 p. ; 20 cm.
- Humphrey adventures ; 8 .
- Humphrey adventures ; 8. .
After learning about Sherlock Holmes, Humphrey the classroom hamster follows clues to try and discover why Mrs. Brisbane is gone and Mr. E, a fun but not very educational substitute, is taking her place in Room 26 at Longfellow School.