The natural movement of water has long been used to create energy. New forms of hydropower are being researched as alternative ways to create clean renewable energy. This remarkable new book… More →
Grade 4
2610 records found. Displaying 1621 - 1632.
Josef and his family are heading home to America after visiting Josef's grandfather in Germany. Grandpa has a surprise for them. Instead of taking the boat home, they'll be riding a zeppelin… More →
The Babylonians and Sumerians were using thick, gooey oil as early as 5000 BC as pitch to caulk their boats and hold their building bricks in place. Oil is actually a fuel, like coal, but its More →
Old-Time Toys shows young readers the wonders of 19th century playthings using fascinating photographs from leading toy museums around the country. A history of toymakers in North America is… More →
In this charming tale of two princess sisters, Charlotte is a perfect princess and Olive is, well, just Olive. She tries to be more like her older sister, but despite Olive's best efforts,… More →
Learn all about different kinds of stomach-turning smells. Discover fascinating facts, from the gases that make up farts to skunk behavior before a spray. Amazing photos and simple text make… More →
Meet the boys behind the new British Invasion! This exciting new biography tells the incredible story of pop group One Direction. From their start on the UK TV show X Factor to sold-out… More →
Join Lewis and Clark on their exciting expedition to the Pacific Ocean. Read about… • surviving the bitter winter at Fort Mandan; • meeting Sacagawea, the Shoshone guide; • the heroes'… More →
On the Tundra explores the plants and animals that inhabit the bitter cold and harsh environment of the North American tundra. Full-color photographs and illustrations show the predators and More →
Find out about the life of American entrepreneur Oprah Winfrey from her childhood to breaking into the media and her many campaigns for change. The book has photographs and a simple text… More →
Take a fact-filled flight through our amazing solar system in this Hi-Lo series. Jump into orbit around its planets and dwarf planets. Includes a support page of teaching tips for caregivers… More →
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