Libby Romero

In this Level 3 reader, you can learn all about how archaeologists unearth history, from Egyptian pyramids to Incan roads, and everything in between. Travel around the world and back in time to learn about one of the coolest careers. Discover what archaeologists do, from digging through sand to traversing the jungle to diving into underwater caves. You'll explore exciting discoveries that change our perception of history and check out some of the...

Conditions on Earth are becoming more and more-extreme and kids want to learn about it! Is it true that, at any given time, about 20 volcanoes are erupting somewhere on Earth? Yes! Sometimes volcanoes erupt with a big, dangerous bang. Other times they spit out lava so slowly that you could walk faster than it flows. INSIDE, YOU'LL FIND: •How volcanoes form, when they erupt, and an account of the most devastating ones in recent history; •A hands-on...

What do chameleons, octopuses, and arctic foxes all have in common? They change color! Meet amazing animals that alter their appearances in this Level 2 reader. Packed with beautiful and engaging photos, this new leveled reader dives into the amazing world of animals that change their appearance based on environment, the need to blend in to hunt or stay safe, and even their mood! Kids will learn all about the how and why of these amazing animal transformations....

Celebrated in a film featuring Omar Sharif in his final role, meet the scientist known as the "Father of Optics," Ibn al-Haytham! During the golden age of science, knowledge, and invention in Muslim civilization - also known as the "Dark Ages" in Western Europe - this incredible scholar discovered how we see and set the stage for the methods we now know as the scientific process. Packed with beautiful and engaging photos, kids will learn all about...

Learn all about the world's most amazing skyscrapers - from the first, to the tallest, to how they're built, and everything in between - in this new National Geographic Kids Reader. The Level 3 text provides accessible, yet wide-ranging, information for fluent readers.

Meet the seafaring adventurers, storytellers, and famous figures of Norse history in this new Leveled Reader, perfect for independent readers and kids who love learning about ancient cultures. Learn how the Vikings lived, worked, and played (...and pillaged!). Explore the rich history, culture, mythology and newest findings of the ever interesting Viking world. National Geographic Readers' expert-vetted text, along with brilliant images and a fun...

"The Sun and Moon are important to all living things on Earth. Let's find out why!"--

Profiles the life and work of a devout Muslim who was the first to hypothesize that vision occurs when light beams travel through the lens of a human eye. During the golden age of science, knowledge, and invention in Muslim civilization, Ibn al-Haytham discovered how we see. His discoveries set the stage for the methods we now know as the scientific process.

"This book shows readers the awesome power of earthquakes"--

"Could humans ever live on Mars? Scientists believe it's possible! Come explore the Red Planet and learn what it would take to make it a place where we could survive."--