Rivers and lakes are part of the earth's never-ending water cycle. From the Nile, to the Great Lakes, Rivers and Lakes describes: • how rivers and lakes are formed • flooding around the… More →
Grade 3
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What are the machines and vehicles that tear through tough material, then make our roads smooth and safe? Find out about back hoes and pounders, rollers and pavers; the work these vehicles… More →
Robert Pattinson became famous around the world for playing a dreamy vampire in the Twilight movies. The romantic fantasy films have rocketed the British actor to fame. Pattinson is more than More →
For decades, scientists have been working on developing machines that think. Long the subject of science fiction novels and movies, Robot Brains takes an intriguing look at what robotic… More →
Robot Workers reveals that, while most of us still do our own chores, that vision of the future is finally becoming a reality in the form of robotic vacuums and lawn mowers.It also shows us… More →
Rocky cliffs at the seashore often reveal the geological processes at work creating rocks and minerals. This fascinating book helps explain: • how erosion, sediment deposit, and underground… More →
Rolling Along explores the benefits and uses of the wheel and axle. RobbO and RobbEE build a cart to make it easier to move a heavy load, and learn how the wheel and axle are also used for… More →
Do you dare take a trip to ancient Rome? When you get there, make sure you try the local dishes, such as boiled parrot and stuffed dormice; take in the daring chariot races; and cheer on the… More →
All of the clocks at the amusement park have roman numerals instead of numbers. Abby and Ben need to keep track of the time. Young readers will learn how the children figure out how to read… More →
Step into the world of the Romans! Write in Latin, stand in a Roman soldier's sandals, send signals the Roman way, try your luck at the game Tropa, make a mosaic, nibble on sweet honey toast, More →
Rosh Hashanah is often referred to as the Jewish New Year. Millions of Jewish people all over the world celebrate this holiday. The holiday usually occurs in September or October and includes More →