Ralph the unstoppable cow tackles the new challenge of learning to swim with the same unsinkable optimism that got him off the ground in When Pigs Fly. Ralph and his friend Morris are trying to beat the heat of a scorching hot summer's day. What better way to cool off than to go swimming? But wait, cows don't swim. Or do they? Well, not like ducks, or turtles, or frogs! Readers will laugh along with Ralph, and learn about optimism, resourcefulness, and positive thinking.