Hello, World! is a series designed to help parents introduce simple nonfiction concepts to their babies and toddlers. Now even the youngest children can enjoy learning about the world around them.   Told in simple terms and accompanied by bright, cheerful illustrations, Hello, World! makes learning easy for young children and offers useful prompts to the adult reader in order to help them engage with their child on each page.    Every young child loves to look up at birds in the sky. Now they can learn all about a variety of birds—with colors, shapes, sizes, and super-simple facts (“Peck, peck, peck! This noisy woodpecker is looking for food inside a tree trunk.”). It’s a perfect way to bring the outside world of natural science into the busy world of a toddler, where learning never stops.