In twelve dioramic scenes, discover how warships have changed from the sail and oar power of ancient Greek triremes and 19th century ships of the line to iron warships of the early 20th… More →

Wars Waged Under the Microscope examines the science and technologies that have helped the world fight some of the deadliest diseases ever known. Using both historic and contemporary images… More →

If you can't reuse something, don't just throw it away! In Waste and Recycling, Green Team members learn how important it is to recycle and send as little garbage to the landfill as possible. More →

Watch this Space! presents an out-of-this world guide to the cosmos, filled with fascinating facts and key information. Dazzling images from NASA and simple diagrams help readers understand… More →

Learn about the fluid properties of water, its boiling point, freezing point, condensation, and evaporation. History boxes, quizzes, and simple, entertaining experiments help children… More →

Learn all about the water cycle, the amazing process that keeps water moving around our planet. Simple explanations and diagrams show how water evaporates from the ocean, gathers as clouds in More →

What happens to water all over the world? Did you know… • Only 3% of the world's water is drinkable. • It takes 264 gallons (1,000 liters) of water to produce two pounds (1 kg) of potatoes. More →

In this fascinating title, readers explore how light and sound waves transfer information. From telescopes that extend our sense of sight to satellites that help us communicate across large… More →

Wayne Gretzky, known to millions of hockey fans as "The Great One," wasn't the biggest, fastest, or strongest hockey player ever, but he was without a doubt the best so far. When he retired… More →

Maya has always wanted a dog of her own, but her parents have always said NO! Plus, her older sister, Amanda, loves cats. Then one day, Maya finds a stray dog. She and her parents try to find More →