Robot Voyagers examines robots built to explore areas on the planet and in space where humans cannot go. Walking robots, for example, venture into volcanoes and crawlers burrow into… More →

Robot systems that include sky-spies and rocket-firing aircraft have moved the science fiction of yesterday into the reality of warfare today. Robot Warriors examines the use of robots in… More →

Robozones gives readers insight into the history of robotics, how robots are used today, and what the future holds for these tireless mechanical servants. More →

From the first rockets used to fire arrows to modern computer-controlled cruise missiles and wire-guided High Explosive Anti-Tank Missiles, twelve dioramic scenes reveal how rockets and… More →

Rocky cliffs at the seashore often reveal the geological processes at work creating rocks and minerals. This fascinating book helps… • how erosion, sediment deposit, and underground pr More →

What is aluminum and how is it made? Using images and simple text, Rocks and Minerals to Aluminum helps young readers understand what a metal is, where it is found, and how humans process it… More →

Children will be intrigued by this series that digs deep. Raw materials found under the earth have both a practical purpose, providing us with fuel, and a pleasing purpose, giving us dazzling More →

Get ready to explore Rocky Mountain National Park! Find out what makes this national park unique and what wildlife lives in its mountains. Discover some of the sights and activities that make More →

Follow along as a researcher observes and makes journal entries about their field trip through the Rocky Mountains ecosystem. Outstanding photographs highlight the animals, plants, and people More →

Beavers, chipmunks, porcupines, mice, and other rodents sing rap songs about themselves in this clever and highly entertaining book! A predictable rhyme scheme and humorous photographs help… More →