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Not Just a Bad Day: Understanding Depression (Library Binding)
9798765626986Twenty-First Century BooksMSRP: $38.65$36.33Depression affects approximately 280 million people around the world, and it's only becoming more common. As of 2021, 1 in 5 American adolescents had experienced a major depressive episode in the... -
Beyond Distraction: Understanding ADHD (Library Binding)
9798765626979Twenty-First Century BooksMSRP: $38.65$36.33Attention Deficit Hyperactivity Disorder (ADHD) is the second most impactful condition on young people's health in the United States. But ADHD is a complex disorder and is often misunderstood or... -
Space Junk: The Dangers of Polluting Earth's Orbit (Library Binding)
9781467756006Twenty-First Century BooksMSRP: $33.32$31.32Scientists have identified at least 100 million pieces of space debris--from paint chips to nonoperational zombie satellites--floating in Earth's orbit. And over 100 tons of those pieces enter... -
Sneaker Century: A History of Athletic Shoes (Library Binding)
9781467726405Twenty-First Century BooksMSRP: $34.65$32.57Whether you call them kicks or sneakers, runners or gutties, you probably have a pair of athletic shoes in your closet. The earliest sneakers debuted in the 1800s and weren't much more than a canvas... -
Up for Sale: Human Trafficking and Modern Slavery (Library Binding)
9781467716116Twenty-First Century BooksMSRP: $34.65$32.57"Trafficking thrives in the shadows. And it can be easy to dismiss it as something that happens to someone else, somewhere else. But that is not the case. Trafficking is a crime that involves every... -
Borrowing Basics: A Teen Guide to Credit and Debt (Paperback)
9798765629994Twenty-First Century BooksMSRP: $12.99$12.21In a world driven by spending, debt is inevitable. Knowing the ins and outs of borrowing money and establishing credit is not just an important skill for adults. Teens can benefit from understanding... -
Warfare Through the Ages: From Bows to Bombs (Paperback)
9798765629932Twenty-First Century BooksMSRP: $14.99$14.09Since the first human civilizations appeared 10,000 years ago, people have fought over land and resources. Over time, these conflicts led to the development of many technologies that would improve... -
Transportation Through the Ages: From Stirrups to Steam (Paperback)
9798765629925Twenty-First Century BooksMSRP: $14.99$14.09The ancient world saw many empires rise and fall. But how did massive empires such as Babylon or Rome move information and resources across continents? They relied on one of the oldest technologies... -
Construction Through the Ages: From Pyramids to Plumbing (Paperback)
9798765629918Twenty-First Century BooksMSRP: $14.99$14.09Ancient societies built massive monuments, many of which still stand. How did ancient engineers and builders raise up the Great Wall of China or the Great Pyramids of Egypt? They often needed new... -
Communication Through the Ages: From Speech to Smartphones (Paperback)
9798765629901Twenty-First Century BooksMSRP: $14.99$14.09Reading texts or direct messages, communicating through speech or sign language, and viewing artwork are all among the many ways people share news, ideas, and feelings with one another. Communication... -
Shark Quest: Protecting the Ocean's Top Predators (Paperback)
9781728459844Twenty-First Century BooksMSRP: $14.99$14.09Sharks are in trouble. Fifty shark species are at high risk of extinction, and another sixty-three are threatened. These intelligent, mysterious--and sometimes scary--fish evolved about 420 million... -
Whale Quest: Working Together to Save Endangered Species (Paperback)
9781728459806Twenty-First Century BooksMSRP: $15.99$15.03Decades of commercial whaling nearly decimated a variety of whales considered a keystone species. Keystone species are indicators of the overall health of Earth's habitats. While whales have made a...