"Describes the fight for survival as a member of the U.S. Special Forces"--Provided by publisher.

Did you know people can turn the energy in rushing water into electricity? This hydropower can run the computer and the lights in your home. How exactly do we get it, though? And what is the impact on our environment? Read this book to find out all about hydropower.

¿Es un león? ¿Es un águila? NO, ¡es un grifo, el rey volador de las bestias! Esta criatura de fantasía tiene plumas lustrosas, alas poderosas y el corazón y cuerpo de un león. Te has preguntado, ¿qué come un grifo? ¿Cómo combate el mal? ¿Dónde vive? ¡No busques más! Con ilustraciones impresionantes y texto objetivo, este libro te llevará por una noble aventura para aprender sobre los grifos.

Is that a lion? Is it an eagle? NO, it's a griffin, the winged king of beasts! Glossy feathers, powerful wings, and the heart and body of a lion make up this fantastical creature. Ever wondered what a griffin eats? How does it fight against evil? Where does it live? Wonder no more! Striking illustrations and matter-of-fact text take you on a noble journey to learn all about griffins.

Stephen Hawking is one of the world's most celebrated and inspiring physicists, known for his theories on relativity, black holes, and quantum mechanics. He wrote the bestseller A Brief History of Time to explain a range of cosmology topics to the general public.

Could you survive being lost in the mountains? Imagine facing down a grizzly bear in the Alaskan wilderness, a mountain lion in the Sierra Madres of Mexico, or a gorilla in Africa's Virunga Mountains. How far would you be willing to go to save your own life? Would it work? Flip through these pages to find out!

Did you know that the same wind that messes up your hair can be used to create energy? How exactly do you harness the wind? And what is the effect on the environment? Read this book to find out all about wind energy.

From snakes and spiders to snails and jellyfish, all sorts of animals carry deadly venom. And they're not afraid to use it. Bites and stings from these creatures bring pain, swelling, and even death! Find out where venomous animals lurk, and learn how a teeny tiny scorpion can take down a grown human. Just watch where you step along the way!

Have you ever wondered how the universe began? Growing up, Brian Greene's father taught him to think about the world in different ways. Greene was curious about how it all worked. He set out to find answers to big science questions. At Harvard University, Greene studied physics and was named a Rhodes Scholar, an honor only the most gifted students receive. He was fascinated by the new theories explaining the universe, but he wanted to share his fascination...

Did you know people can dig underground and use Earth's heat to make energy? This geothermal energy can power the computer and heat or cool your home. How exactly do we get it, though? And what is the impact on our environment? Read this book to find out all about geothermal energy.