Grade 4

Bison are the largest mammals in North America. Elk are one of the largest deer species. When these mammals clash, who will win? Leveled hi-lo text guides readers through how these fierce… More →

In this book, early fluent readers will learn about democracy, the voting process in the United States, and the struggles and successes Black Americans have gone through to gain and practice… More →

Charging into battle surrounded by smoking fuses, Blackbeard was a terrifying foe to face! In this action-packed graphic narrative, colorful illustrations and engaging dialogue tell the true… More →

Black bears and mountain lions clash when they meet in the forest! In this hi/lo book, readers explore the secret weapons of these predators. Vibrant photos and engaging features highlight… More →

As darkness falls over the Amazon rain forest, a large black caiman waits in a slow moving, muddy river. Only the reptile's eyes and nostrils are visible above the water. The caiman is… More →

Welcome, Agent 359. This file is full of top-secret information about black holes. Learn the basics of how black holes form, their different sizes, and how they were found. Then, discover… More →

African deserts and grasslands are a good place to find a variety of predators. Caracals rely on sharp claws and soft footsteps to pull off successful ambushes. But black mambas take down… More →

In this book, early fluent readers will learn all about black widows. Vivid, full-color photos and carefully leveled text engage young readers as they learn more about this arachnid's… More →

In this book, early fluent readers will learn all about black widows. Vivid, full-color photos and carefully leveled text engage young readers as they learn more about this arachnid's… More →

Rosie is sick of being treated like a kid. She wishes that she could grow up so that adults would take her more seriously! But when Rosie and Kat venture into the forest to find a poorly,… More →

Winter winds blow snow at 35 miles per hour or more for at least three hours during a blizzard! Young readers will learn how blizzards form and why blizzard conditions temporarily shut down… More →

In Blizzards, early fluent readers learn about the conditions that turn a gentle snowstorm into a disastrous blizzard. Vibrant, full-color photos and carefully leveled text will engage young… More →