A fun and engaging way for young children to figure out concepts and solving problems on his or her own.Rookie Readers (Ages 5-7) have provided entertaining, high-quality introductions to reading for more than a generation. Each title features full-color, often hilarious illustrations and engaging stories that always involve a young child figuring out concepts or solving problems on his or her own. Fire Companies 1, 2, 3, and 4 rush across town to Fire Company 5, where the firehouse dog is having puppies.