Despite Penrod Porcupine's sometimes exasperating behavior, he and Griswold Bear remain good friends.

For Henry and his big dog Mudge, summer means going on a picnic in the park, taking a bath under the garden hose, and going to the top of the big green hill.

A hermit crab who has outgrown his old shell moves into a new one, which he decorates and enhances with the various sea creatures he meets in his travels.