The scale of things means how one thing compares in size to another. In this book, appealing illustrations help kids understand scale by comparing famous buildings and structures by their height. More →

The scale of things means how one thing compares in size to another. In this book, appealing illustrations help kids understand scale by comparing many different kinds of dinosaurs by their… More →

The scale of things means how one thing compares in size to another. In this book, appealing illustrations help kids understand scale by taking them around the world - and even into space -… More →

The scale of things means how one thing compares in size to another. In this book, appealing illustrations help kids understand scale by taking them around the world to compare well-known… More →

The scale of things means how one thing compares in size to another. In this book, appealing illustrations help kids understand scale by comparing objects in the solar system by looking at… More →

How tall is an elephant? If someone told you the number, could you picture it? Would it help if someone described an elephant as being as tall as three doors stacked on top of each other? The More →

Ghost sisters Clair and Blair make up the Scare Squad. Scaring people is what they do! They're trying to teach their little brother Nicky how to scare, but he likes people. Will they ever get More →

The Science Behind the Athlete series introduces the reader to different sports and explains the innovations that help athletes succeed. Each book also includes a page for caregivers and… More →

The Science of Catastrophe series looks at the world of disasters from a scientific point of view. Each book takes thirteen examples, explaining what happened and the science involved in each More →

This engaging book describes the properties of light waves, how they move, and the way our eyes receive them. Readers will learn that we see an object when light reflects from its surface and More →