|aMysteries according to Humphrey |cBetty G. Birney.
|aNew York |bPuffin Books|c2013.
|a146 p. |c20 cm.
|aAccording to Humphrey |v8
|aAfter 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.