In this exciting new Curious George series all about discovery, George's city friends Betsy and Steve are taking their first trip to visit him in the country. When a light rain casts a stunning rainbow in the sky, George is introduced to all the beautiful colours of the spectrum! Come along a he chases the rainbow for his pot of gold and learns all about how rainbows occur and even how to create his own. Based on the Emmy-winnig PBS show, this story is filled to the brim with additional facts, real photos, experiments, activities, and more. Learning about science has never been so much fun!