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Amazon.com Product Description (ISBN 0689834470, Paperback)Henry (and of course Mudge) loves to visit Great Grandpa Bill. He lives in a house with a lot of other granpas who like to play with a little boy and his dog. But when Henry discovers a swimming pond near the granpas' house, he finds out how much fun the grandpas really can be.
(retrieved from Amazon Thu, 12 Mar 2015 17:57:43 -0400)
When Henry and his dog Mudge go with Henry's parents to visit Great-Grandpa Bill in the home with lots of other grandpas, they lead them all on a wonderful adventure.
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