Grade 4

Did you know that some fish use their own kind of fishing rod? The female anglerfish dangles a worm-like spine in front of its face to lure prey before capturing them with her jagged teeth.… More →

You might think spitting cobras are named for their poor table manners. The truth is they get their name from their ability to shoot venom from their fangs. In fact, some spitting cobras can… More →

People are often afraid of snakes, but these pythons are actually known for their fearfulness. Ball pythons curl up when threatened, coiling so tightly that they can actually be rolled around More →

Get to the chopper! MH-53E Sea Dragons are giant helicopters used by the United States Navy for minesweeping and shipboard delivery. Young readers’ interests will soar when they find out Sea… More →

Narwhals have been called the unicorns of the sea. Related to certain species of dolphins and whales, these ocean mammals have a tooth that grows through their upper lip into a long, ivory… More →

These flying predators have excellent eyesight, strong talons, and sharp beaks for capturing their prey. In this interactive title, young readers will use their own sharp eyes to read more… More →

In the middle of winter, people venture out on the frozen lakes in search of fish. After setting up their shacks, anglers drill holes through the ice and drop their lines. Some shacks are… More →

The platypus is one strange-looking animal! These mammals have duck-like bills, beaver-like tails, otter-like bodies, and even venomous stingers on their webbed feet! Find out how these… More →

Green anacondas are among the largest snakes in the world! Although they are sluggish on land, they can swim at high speeds in all depths of water. Young readers will glide through this title More →

Have you ever wondered what life would be like with 22 tentacles on the end of your nose? Well, you probably do now. Find out how the star-nosed mole uses its nose to find food underground,… More →

Originally called “deaf” adders by Australian settlers, these patient snakes lie in ambush awaiting their prey. When in striking distance, these deceptive predators use their long fangs with… More →

More than ninety percent of Iowa’s land is dedicated to agriculture. Farmers grow more corn here than in any other state, about a fifth of the nation’s crop. Iowans are proud of their state’s More →