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Explores the history and culture of Ancient Mesopotamia. Eye-catching photos, fascinating sidebars, and a “Contributions” special feature guide readers through the rise and fall of this great civilization, focusing on the people and...

Explores the history and culture of Ancient Mesopotamia. Eye-catching photos, fascinating sidebars, and a “Contributions” special feature guide readers through the rise and fall of this great civilization, focusing on the people and...

Explores the history and culture of Ancient Greece. Eye-catching photos, fascinating sidebars, and a “Contributions” special feature guide readers through the rise and fall of this great civilization, focusing on the people and...

Explores the history and culture of Ancient Greece. Eye-catching photos, fascinating sidebars, and a “Contributions” special feature guide readers through the rise and fall of this great civilization, focusing on the people and...

Explores the history and culture of Ancient Egypt. Eye-catching photos, fascinating sidebars, and a “Contributions” special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments...

Explores the history and culture of Ancient Egypt. Eye-catching photos, fascinating sidebars, and a “Contributions” special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments...

Explores the history and culture of Ancient China. Eye-catching photos, fascinating sidebars, and a “Contributions” special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments...

Explores the history and culture of Ancient China. Eye-catching photos, fascinating sidebars, and a “Contributions” special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments...

The adorable residents of Hotel Strange are busy planning a music festival, until thieves kidnap Marietta and Mr. Léclair. A cast of quirky characters sets out to rescue them. As usual in Hotel Strange, distractions abound. They must first solve the...

Do you like to gaze at the stars? So did the young Stephen Hawking. Eventually, he turned his fascination with the night sky into a career of trying to figure out how the universe began and how it works. As a child, Hawking loved the stars and he loved...

Do you have friends or family members who use Facebook? That social networking website is the brainchild of Mark Zuckerberg. He has helped Facebook grow into a company that has almost one and a half billion users worldwide. Zuckerberg has been...

Do you play computer games? If you do, you've probably played Minecraft. When Minecraft creator Markus Persson was young, he wasn't very interested in the games themselves. He was more interested in the programing instructions in the computer's manual...

Noah has a big imagination, and he's using it to go on an even bigger adventure! He and his babysitter, Ruby, are zooming around Earth in their spaceship. With the help of Ruby's SpacePhone, they're learning about the people, places, and climates of the...

Rachel has been chosen to ride a bike in Riverdale's parade! There's only one problem--she doesn't know how. But she's determined to learn! She and her dad go all over Riverdale to prepare for the big day--from the bank to the bike shop. How is Rachel's...

Join Malik's search for his neighbor's lost dog! He's helping to find Buddy by looking everywhere in his neighborhood--from the park to the coffee shop. Along the way, see the people and places that make up a neighborhood. How is Malik's neighborhood...

Factories create large amounts of pollution when making their products. But did you know that new technology helps factories significantly reduce the amount of that pollution? Or that governments have rules about how much pollution factories can put into...

Pollution from nuclear power plants can have extremely harmful effects on people, animals, and the environment. But did you know that scientists have made nuclear power much safer? Or that governments have rules to ensure that waste materials are handled...

Everyone needs to eat, yet farming is a major cause of pollution around the world. But did you know that certain types of farming create less pollution than others? Or that some types of waste can be made into energy? Investigate what we can do to reduce...

Fossil fuels such as coal, oil, and gas create many types of pollution. But did you know that scientists have found ways to limit the pollution's effects? Or that even small changes can greatly reduce the pollution you create? Find out more about how we...

Mr. Snarf has been a bad ghost. He hasn't scared people. In fact, he's even made friends! Now some grumpy ghosts are taking him away from Hotel Strange. The hotel's other residents set off to rescue him, taking to the clouds in a hot air balloon in...

Kiki, a resident of Hotel Strange, has some good fortune when he discovers a crown in the woods. A group of mushroom people rush to call him their ruler, agreeing to do his bidding.

Who are the leaders of our government? What do they do? How do they become government leaders? Accessible text and explanatory photos help students understand key concepts about the role of different government leaders.

Could window panes be made out of wood? Or a shirt out of glass? Go on a treasure hunt with Ms. Sampson's class as they search for different kinds of materials--cloth, rock, glass, metal, and more. They'll record the look and feel of everyday objects and...

Mr. Davis's class is learning to tell the future! Future weather, that is. They keep track of weather conditions and look for patterns, such as the warmest time of day and the rainiest season. When a meteorologist visits the class, they learn how...

What's so great about West Virginia? Find out the top ten sites to see or things to do in the Mountain State! We'll explore West Virginia's popular parks, spooky ghost tours, scenic mountains, and fascinating history. The West Virginia by Map feature...

What's so great about Ohio? Find out the top ten sites to see or things to do in the Buckeye State! We'll explore Ohio's lively cities, popular lake attractions, exciting parks, and remarkable history. The Ohio by Map feature shows where you'll find all...

What's so great about Missouri? Find out the top ten sites to see or things to do in the Show-Me State! We'll explore Missouri's thriving cities, popular parks, amazing museums, and fascinating history. The Missouri by Map feature shows where you'll find...

What's so great about Michigan? Find out the top ten sites to see or things to do in the Great Lake State! We'll explore Michigan's popular lakes, gorgeous parks, exciting cities, and fun history. The Michigan by Map feature shows where you'll find all...

What's so great about Maryland? Find out the top ten sites to see or things to do in the Old Line State! We'll explore Maryland's popular seaside, exciting museums, beautiful state parks, and lively history. The Maryland by Map feature shows where you'll...

Keeping up with all of hockey's cool facts can make your brain freeze. You need to take in long timeframes (the NHL has been around for almost 100 years) and big numbers (Wayne Gretzky scored almost 3,000 points in his career. Key facts and fun details...

The prize: $10 million The rules: Be the first to complete ten tasks assigned by the Benefactor. Do not ask questions. Do not tell anyone what you're doing. Do not fail. The consequences: Unknown Colin wants out of the Contest. Each task he's assigned...

The prize: $10 million The rules: Be the first to complete ten tasks assigned by the Benefactor. Do not ask questions. Do not tell anyone what you're doing. Do not fail. The consequences: Unknown Ana has three choices: One, stay with her abusive...

The prize: $10 million The rules: Be the first to complete ten tasks assigned by the Benefactor. Do not ask questions. Do not tell anyone what you're doing. Do not fail. The consequences: Unknown James's grandpa is dying. An experimental treatment has a...

Get up close and personal with alligators in all their tooth-filled glory in this collection of poems by New York Times bestselling author Jane Yolen. Rhymes and rhythms reflect on how alligators hunt, keep warm, and care for young. Stunning,...

Wrapping your head around centuries of American history can make you dizzy. You need to know about the land (828,000 acres from the Louisiana Purchase alone), the people (from the earliest American Indian peoples to the immigrants of the last few...

Trying to comprehend the US government can almost make your mind shut down. You need to understand how it stacks up to governments around the world (from democracy to dictatorship), how systems and laws change over time (years ago, women couldn't vote!),...

Navigating US geography can leave you feeling lost and all over the map. You need to know about all 50 states (Wisconsin has more than 600 kinds of cheese!), different landscapes and climates (from deserts to polar regions), and where to watch out for...

Exploring the culture of the United States can be exhausting! You need to know about popular national pastimes (from ball fields to Broadway stages), different ethnic backgrounds of Americans (such as Navajo, Korean, and Somali), and what it means to...