Grade 6 - 9

Leopards are ferocious fighters that hunt for a living. But could they take on a powerful 450-pound gorilla? This high-interest text weighs the advantages of these fierce beasts and examines… More →

What pulls us down a steep hill on a skateboard, affects our planet's tides, and keeps us spinning around the sun? Gravity! Learn all about how the force impacts life on Earth and keeps us in More →

Many people fear the great white shark. But an even deadlier animal lurks in the world's oceans--the killer whale. What would happen if these two faced off? This book looks at the advantages… More →

Deep in the Rocky Mountains, grizzlies and wolves constantly compete for food. This high-interest title examines the claws, teeth, and super senses that keep these apex predators at the top… More →

Harpy eagles are some of the biggest raptors in the world. Ocelots are big cats with sharp teeth and claws. Which would win in a fight? In this hi-lo title, engaging text and vibrant photos… More →

Horned lizards puff up their bodies to scare off predators. Diamondback rattlesnakes use venom to defend themselves. Which North American predator will win this battle? This hi-lo title… More →

The biggest Ichthyosaurs grew up to 85 feet long. They were as long as three school buses! Readers will learn this and more in this fact-filled title. Leveled text and colorful illustrations… More →

For most of us, igneous rocks are no more than a stoneХs throw away. These underrated rocks make up more than half of EarthХs crust! Not only that, but they have many uses in building,… More →

From frying pans to paving stones, igneous rocks are everywhere. But what do you know about this common rock? Dive under Earth's crust to find the scorching source material for these rocks.… More →

Uh-oh! An iguanodon is cornered by a predator. But this dinosaur has a secret weapon. It uses its sharp thumb spike to slash its enemy. Run away! In this high-interest title, readers are… More →

Both predator and prey have adapted to blend into their surroundings. Can you spot them? In this hi-lo title, leveled text reveals four animals and their invisibility superpower! Reluctant… More →

From a crocodile's bony scales to a naked mole rat's acid-proof skin, this hi-lo title shows invulnerability can come in many forms! Thoughtfully leveled text supports reluctant readers while More →