Grade 6 - 9

Plate tectonics shape Earth as we know it. Explore more about this important part of our planet with content tied to the curriculum of upper-elementary and middle school students and… More →

Plesiosaurs lived more than 200 million years ago! What were their lives like as they swam through the world's ancient oceans? This hi/lo title explores that question through leveled text and More →

Dolphins travel, hunt, and play together. They can also work together to save people from harm! When lifeguard Rob Howes took three others out on a training swim, he had no idea that an… More →

Polar bears are the top predators of the Arctic. Walruses are mighty beasts with many defenses. In a fight, which one would come out on top? Readers of this high-interest title will learn… More →

Sometimes, small predators are the most vicious. Praying mantises and black widow spiders have unique weapons to take down their prey. Readers will discover how these two animals use their… More →

Red foxes and fishers are well adapted to hunting in the North American woodlands. If these two predators fought, would the red fox's stealthy ambush claim victory? Or would the fisher's… More →

From fixing broken limbs to fixing broken hearts, only a handful of animals share the rare superpower of regeneration. This hi-lo book introduces animals that have adapted to regrow or repair More →

Gray wolves were predators that dominated the North American landscape hundreds of years ago. But when Mike Philips and Doug Smith relocated 14 wolves to Yellowstone in 1995, it was the first More →

Moving water cuts through plains and down mountains. Rivers and streams shape the world around them as they provide an important source of water for life on the planet. Explore more about… More →

Saber-toothed cats were powerful predators known for their long, sharp teeth! In this hi/lo title, reluctant readers are introduced to these ice age animals through leveled text and detailed… More →

Many fierce predators lurk just below the ocean's surface. Saltwater crocodiles use their strong jaw and huge teeth to latch on tight. But there's no escape once a hammerhead shark has pinned More →

Scorpions and tarantulas may be small. But these two animals know how to fight! In this high-interest title, reluctant readers will learn about how these two creatures get ready to battle.… More →