Describes the parts, activities, and functions of the human heart and circulatory system and problems that may develop there.

"Weather can be wild, freaky, and fascinating! Powerful twisters roar through homes; earthquakes shatter whole cities; hurricanes fly through towns. How does it all happen and how do we know what we do? All you need to know about weather and all of its wildness will be found in the pages of this colorful, energetic, and accessible book. Kids will also learn about real-life encounters with wild weather from National Geographic tornado chaser, Tim Samaras,...

Describes the parts of the lungs and respiratory system, how they function, and problems that can affect them.

Describes how people are adapting to the increase in plant and animal extinctions caused by global warming.

A single error in a line of code can cause a computer program to go haywire or stop working entirely. Luckily coding has a process for dealing with errors: debugging. Debugging consists of finding and fixing errors in code. You don't have to work as a coder to develop your debugging skills, though. The simple activities in this book help readers develop their logic skills and an eagle eye for spotting errors, both of which are indispensable in coding...

Introduces kids to plate tectonics and the tumultuous forces brewing beneath the Earth's surface that result in massive volcanoes and earth-shattering earthquakes. Includes over 100 photos and pictures, field notes, quizzes, and an interactive glossary --

This book describes the life of John Adams and his contributions to the American colonies and the United States.

This book explains the parts of the nose, its functions in connection with smelling and breathing, and the power and importance of the sense of smell in people and other animals.

This book describes the formation of Mount Vesuvius, one of the most famous volcanoes in the world, and tells of the 79 A.D. eruption which destroyed the city of Pompeii.