Mysteries According To Humphrey (Turtleback School & Library Binding Edition) (Humphrey (Prebound))
By Betty G. Birney.
Description
FOR USE IN SCHOOLS AND LIBRARIES ONLY. Humphrey tackles the biggest mystery yet when Mrs. Brisbane fails to show up for class one day and a substitute teacher, Mr. E, takes her place, compelling the intrepid hamster to collect clues using methods worthy of Sherlock Holmes. - from Amzon
ISBN(s)
060631699X, 9780606316996