Every young child loves to look up at the moon in the night sky. Here’s a Hello, World! board book that teaches toddlers all about the sun, moon, stars, and planets—with colors, shapes, sizes, and super-simple facts.

Hello, World! is a series designed to introduce first nonfiction concepts to babies and toddlers. Told in clear and easy terms and featuring bright, cheerful illustrations, Hello, World! makes learning fun for young children. And each sturdy page offers helpful prompts for engaging with your child. (“Can you point to the red planet? That’s Mars!”) It’s a perfect way to bring science and nature into the busy world of a toddler, where learning never stops.