Lincoln knew that winning the war would take more than the same old strategies and maneuvers. It would require using technology to create new ways of waging war. Lincoln worked to make sure his soldiers and sailors had the best and latest hardware. By combining new tools with time-tested tactics, he helped revolutionize warfare.

Students interested in eco-technology learn what it takes to become young entrepreneurs in the industry. Successful inventors of environmental and "green" gadgets and products are spotlighted, and instructions are given to jumpstart ideas and business plans.

"Science starts with a question in this fascinating compendium for curious kids. The team behind the acclaimed Why Don't Cars Run on Apple Juice? is back to tackle more kid questions like "Are birds really dinosaurs?" and "Why do we have butts?" With help from science center experts, Kira Vermond packs mind-boggling facts into answers that encourage further inquiry, covering topics over five sections: animals, the human body, planet Earth, tech and...

"This must-have guided journal encourages kids to take a break from their screens in order to recharge their creativity, confidence, and self-esteem. Kids and teens love their devices-whether it's scrolling on social media or texting friends, they tend to spend a lot of time plugged in. And while technology isn't all bad, too much tech can cause anxiety and leave kids feeling like they don't measure up. Braver, Stronger, Smarter is the perfect tool...

Simple text and full-color photos explain how caves form and why they are an important landform.

"Humans live longer now than they ever have in their more than three hundred thousand years of existence on earth. And most (if not all) of the advances that have permitted the human lifespan to double have happened in living memory. Extra Life looks at vaccines, seat belts, pesticides, and more, and how each of our scientific advancements have prolonged human life. This book is a deep dive into the sciences--perfect for younger readers who enjoy...

A discovery that made the world a brighter place! Joe and Bob Switzer were very different brothers. Bob was a studious planner who wanted to grow up to be a doctor. Joe dreamed of making his fortune in show business and loved magic tricks and problem-solving. When an accident left Bob recovering in a darkened basement, the brothers began experimenting with ultraviolet light and fluorescent paints. Together they invented a whole new kind of color,...

Learn about harp seals and their habits in polar regions.

Learn about polar bears and how they are suited for life in the Arctic.