Leveled Readers

Uncover some of the most infamous disasters in the world including the Hindenburg, the sinking of the Titanic, the Dust Bowl, BP oil spill, the Hiroshima and Nagasaki atomic bombs, and the Chernobyl...

The world around us is more powerful than we know. Discover how earthquakes, tsunamis, volcanic eruptions, hurricanes, and more have affected people and places around the world. Through informational...

How we send and receive news has changed over time. Without a constant evolution and progression of news media, the way in which people heard reports of the Great Depression, Pearl Harbor, and...

History is full of unsolved crimes, mysterious disappearances, and strange sightings. Readers will discover some of the most well-known mysteries in history--including Amelia Earhart, Big Foot, and the...

Mysterious events occur all over the world. It rains fish every year in Honduras, rocks in Pennsylvania make music, and large drawings can be found on the desert floors in Peru! Readers will learn about...

From Stonehenge to the Bermuda Triangle, there are many places on Earth that remain a mystery to scientists! Readers will discover these curious places--and more!--as they move through this fascinating...

Accelerate through the pages of this book and introduce readers to physics and how it assists objects to move. This stimulating nonfiction title includes real-life examples and basic experiments to...

Discover the different ways that people spend, save, and budget their money. Readers are introduced to important personal financial aspects such as savings accounts, putting together a budget and budget...

Featuring detailed photos and images, fascinating facts, and a helpful index and glossary for reference, readers will learn about the way animals of all kinds work together in cities of their very own...

Animal trainers care for many different types of animals! Children will explore some of the methods that trainers use, such as affection bonding and classical and operant conditioning, while...

You're about to enter the exciting world of ancient China! Go back in time to one of the most tumultuous and significant periods in Chinese history. You'll experience firsthand the conflict and...

Imagine being only nine-years old when you inherit the throne of Egypt. This is what happened to Tutankhamun, the young pharaoh known as King Tut. Learn what life was like during his reign as you...