George and Martha round and round / Marshall, James

Hippo companions George and Martha learn simple lessons about friendship in three adventures in which they use their imaginations on an ocean cruise, critique each other's artwork, and struggle over what to do with a cuckoo clock.

Hippo companions George and Martha learn simple lessons about friendship in five adventures, in which the pair use their imaginations on a rafting trip, seek revenge for a hose soaking, frighten each other with scary stories, critique each other's artwork, and struggle over what to do with an unwanted gift.