Summer According to Humphrey (Used Paperback) - Betty G. Birney

In his sixth adventure, Humphrey heads off for the great outdoors. When Humphrey hears that school is ending, he panics. School ends? What's a classroom hamster to do if he's not in school? But as it turns out, there's something thrilling in store for Humphrey and Og the frog: going to Camp Happy Hollow with Ms. Mac and lots of the kids from Room 26 Camper Humphrey meets a friendly wild mouse, tracks down Og when he gets lost by the lake, and uses his wily charm to help kids adjust to cabin life and make new friends.

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