Grade 4

Believed by some to be one of the most important inventions of all time, the telephone has helped connect people all over the world. This title welcomes readers with a narrative that… More →

Armor is an essential piece of a soldier’s uniform. But what kinds are being used, and how do they work? In this hi/lo title, leveled text and bright images explore the purpose of military… More →

From stealth bombers to heat-seeking missiles, militaries around the world use cutting-edge technology to create powerful weapons. This hi/lo title introduces the science of advanced weaponry More →

On May 18, 1980, Mount St. Helens erupted in Washington. The blast caused millions of dollars of damage and affected the lives of thousands. In this hi/lo text, reluctant readers will learn… More →

A helicopter crash leaves three filmmakers stranded inside a Hawaiian volcano. Toxic fumes cloud the air, and hot lava is only steps away. How will they survive? This graphic nonfiction title More →

From the depths of Mammoth Cave to the heights of the Appalachian Mountains, Kentucky has a lot to explore! Readers can learn about the state’s history, landscape, people, festivals, and… More →

Located in the center of the U.S., Kansas has wide-open skies and fields of golden wheat as far as the eye can see. But there is much more to the state than farms and ranches. Throughout this More →

The colorful planes in this title are sure to wow paper airplane enthusiasts! Readers working on advancing their paper folding skills can create eight challenging models with unique shapes… More →

U.S. history comes alive in Pennsylvania! Readers can learn about the state’s many historical landmarks, as well as explore present-day Pennsylvania’s industries, landscape, people, and… More →

With a beautifully varied landscape, interesting landmarks, and historic celebrations, New Hampshire is loaded with fun! In this engaging title, readers will find interesting facts, vivid… More →

On January 12, 2010, a 7.0-magnitude earthquake rocked the country of Haiti. The damage trapped thousands of people under rubble and toppled more than 100,000 buildings. In this hi/lo text,… More →

Texas is a huge state that features mountains in the west, coastline in the east, and just about everything in between! Readers can learn about the history, culture, people, and wildlife of… More →