The best-selling Hello, World! board book series expands into picture books, for science and nonfiction fans who are ready for the next step.

In Exploring Dinosaurs, readers can learn all about prehistoric creatures, with favorites such as T. rex and Stegosaurus, mini dinosaurs the size of a turkey, and even a swimming dinosaur. Dinosaur fans will find:

• Fascinating details about dinosaurs from the Triassic, Jurassic, and Cretaceous periods.

• Panels of stats for kids who love data, with information about size, body parts, diet, and more.

• Questions that ask the reader to think about dinosaurs in relation to themselves, such as "If you discovered a dinosaur, what would you call it?"

Loyal Hello, World! fans who are reading on their own, as well as any kid who loves nonfiction, will find many captivating hours of learning and inspiration.