In the early morning of April 26, 1986, a reactor at the Chernobyl nuclear power plant became unstable, causing a huge explosion. But the disaster was only just beginning. Follow along with the true story of a doomed power plant that is still dangerous today. Then, review what you've learned with a recap timeline and a quick quiz to check how much doomed history you remember.

Many of today's communications travel over networks. Networks connect people all over the world through computers and mobile devices, but how does it work? Young learners will discover how an email works, how computers talk to one another, and how documents and programs are stored in the cloud. Readers will also learn about network safety and how to protect themselves from hackers and viruses. Easy-to-read infographics and simple language make this...

People don't sleep standing up. But cows do! Why? You have questions, and this book has the answers. Find out all about cows and why they don't need to lie down to catch some Zzzzzs.

You have eyelashes. Your dog has eyelashes. But fish don't! Why? You have questions, and this book has the answers. Find out about fish, including their body parts and behavior.

What do soda, the human body, and televisions have in common? They all contain a common element: phosphorus. What other incredible things is this element used for? Readers will find out in this engaging book through accessible text, infographics, illustrations, and photographs. They'll learn about how phosphorus was discovered, the role it plays in the human body, and the fascinating ways humans use it. A charming design makes reading fun, while a...

Oxygen is an incredible element, both on its own and combined with others. From the air we breathe to the water we drink, oxygen is an essential element for life as we know it. This informative introduction to oxygen teaches readers about its discovery and many uses. A handy quiz at the end lets readers test their knowledge. Illustrations and photographs bring the lesson into sharp focus, while a stylish design engages readers. Accessible, straightforward...

Learn about number patterns that exist in a sunflower, the reason behind the hexagonal shape of a honeycomb, and all about the Fibonacci sequence. High impact photographs will draw in young readers as they learn about mathematical concepts they can find outside their front door.

We're only just beginning to learn about the incomprehensibly vast universe that exists beyond the edges of our own solar system. This fascinating guide touches on constellations, galaxies, star types, the life cycle of stars, nebulae, quasars, dark matter, black holes, exoplanets, the search for extraterrestrial life, the "Goldilocks zone," habitable planets, and more. Stunning, high definition, NASA-quality photos of deep space and a dynamic design...

Explore how mathematics has shaped how we look at and understand the world. From figuring out Earth's circumference using geometry to developing load-bearing arches, young readers will be engaged as they learn about real world math applications.

Organic doesn't only refer to fresh vegetables. In science, "organic" describes natural matter or compounds with a carbon base. Readers will learn all about the element of carbon, from its discovery to the role it plays in living things. They'll see real-life examples of how humans use carbon in various industries. A charming design with illustrations and photographs bring the lesson into detailed focus. Accessible text and a concluding quiz help...