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. 
Each sturdy page offers helpful prompts for engaging with your child 
(“Look out the window. What is the weather like today?”) plus simple scientific facts 
("Mornings are cooler than afternoons because the sun doesn’t shine overnight.") 
It’s a perfect way to bring science and nature into the busy world of a toddler, where 
learning never stops.