Books with title Two Dogs Swimming

Two dogs. Whistle can jump. So can Spot. Whistle can run. So can Spot. Whistle can catch. So can Spot. Whistle can swim. Oh, no! Can Spot learn a new trick?

Having pretended to know how to swim in order to play with his best friend Whistle, Spot surprises himself one day when he chases a stick floating far out in the pond and discovers that he, too, can swim just as well as Whistle!