Ages 9 to 10

This book describes the features, construction, and history of the Aqueduct of Segovia. Short paragraphs provide easy-to-read text, while colorful photos make the book engaging and accessible. The book also includes a table of contents, fun facts,...

People use an incredible variety of materials to make life easier. Each book in this fascinating series examines how a material was first developed, how it is produced today, and the ways that people use it. Each book also features a "That's Amazing!"...

People use an incredible variety of materials to make life easier. Each book in this fascinating series examines how a material was first developed, how it is produced today, and the ways that people use it. Each book also features a "That's Amazing!"...

People have negatively affected many of Earth's biomes, but human ingenuity can help care for our planet and all its inhabitants. This series examines four biomes that are in danger and investigates the various ways that people are attempting to restore...

In many fairy tales, characters must rely on quick thinking to overcome challenges. But science and engineering could also help these characters. In this fun series, readers complete hands-on activities to help beloved fairy-tale characters.

Having a solid understanding of current events is more important than ever. This timely series explores some of the most high-profile topics in today's news. Each book offers a history of the topic, an analysis of the people and events that shaped it,...

Disasters can strike at any time, and engineers have often led the effort to prepare for these events. This compelling series explores what engineers have learned from past disasters and what they are doing to keep people safe in the future.

This series provides readers with an on-the-job look at what it's like to be a rescue worker. With an emphasis on the training rescue workers go through and the equipment they use, this series is sure to get kids excited about rescues.

Animals eat a variety of foods, from plants and other animals to poop, soil, or blood. This series examines four of the most interesting animal diets and explores the reasons why animals eat those particular foods. Each book also includes a table of...

People have negatively affected many of Earth's biomes, but human ingenuity can help care for our planet and all its inhabitants. This series examines four biomes that are in danger and investigates the various ways that people are attempting to restore...

In many fairy tales, characters must rely on quick thinking to overcome challenges. But science and engineering could also help these characters. In this fun series, readers complete hands-on activities to help beloved fairy-tale characters.

Having a solid understanding of current events is more important than ever. This timely series explores some of the most high-profile topics in today's news. Each book offers a history of the topic, an analysis of the people and events that shaped it,...