Grades 2 - 5

A tall wave speeds towards shore. As it approaches, it grows even bigger. A tsunami is near! These huge ocean waves cause immense destruction. But how do they form? Can they be prevented?… More →

Dark clouds form overhead. Strong winds blow debris across the yard, and a loud, droning siren pierces the air. Time to seek shelter: a tornado has been spotted! This low-level title… More →

Did you know all the air you breathe in passes through a special filtration system? It is one of the many ways the respiratory system keeps your body running smoothly! In this title, leveled… More →

The world starts shaking. Cups and plates rattle in cupboards. Books fall off of shelves. ItХs an earthquake! These natural disasters do billions of dollars worth of damage every year. But… More →

A volcano explodes to life! Lava shoots into the air. A plume of smoke and ash is visible for miles around. But why did the volcano erupt? This low-level title uses engaging text and colorful More →

Whipping wind blows snow into tall drifts across the road. Will cars be able to pass? This dilemma is just one effect of the powerful storms discussed in this low-level title. Engaging text… More →

The human body has 206 bones, and each has a special job to do! From giving the body shape to making blood cells, the skeletal system truly is the bodyХs foundation! Through labeled diagrams… More →

Muscles are found nearly everywhere in the body! The muscular system works closely with many other systems to keep the heart pumping, the joints moving, and the lungs filling with air. In… More →

The nervous system works with all other systems in the body to make sure everything works smoothly! Without it, the brain would have no way to deliver instructions. Through vivid photos and… More →

The enormous ankylosaurus looked intimidating. But this dinosaur ate only plants! Tough armor protected the ankylosaurus from bites. When attacked, it swung its club tail to knock out foes!… More →

Batten down the hatches! A hurricane is on the move. These powerful storms start in the ocean, but they quickly make their way to the coast. Their winds turn debris into dangerous… More →

After eating your favorite healthy snack, how does the body know where all the nutrients should go? The digestive system is a network of organs that works with other systems to feed the body… More →