Willie and Arnold live on a beautiful white cloud in the sky, and they can't wait to become the best water dropletsthey can be. At Storm School, the friends learn everything water droplets need to know: how to sing on windowpanes, dance on umbrellas, make hail . . . and, of course, create rainbows. More than anything else, they dream of becoming real raindrops. But they know that if they want to be the best raindrops they can be, they have to work as a team. With imaginative illustrations and lovable characters, A Perfect Puddle offers not only a fun tale of friendship but also an engaging exploration of the water cycle. Willie and Arnold must think up creative solutions and work together during their journey from the clouds to the ground and back again. It's worth all their hard work in the end, though, because when the clouds turn gray, Willie and Arnold come down to play . . . creating just the perfect puddle!