Learn from home and explore the world with these fun and easy board books! All young children love dinosaurs. Here's a Hello, World! board book that teaches toddlers all about Triceratops, Stegosaurus, T-rex, and many more--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 ("T. rex's arms were very small, even though its body was large") and featuring bright, cheerful ...