Grade 1

Reaching more than 20 feet and 2,000 pounds, the crocodile is the largest living reptile in the world! These endangered creatures spend their days resting on land or floating in swamps or… More →

One of the most recognizable animals among early readers, toucans are known for their vibrant coloring and large bills. These tropical birds live in small flocks high up in rain forest… More →

Measuring 1,300 feet long, the world’s biggest ships are more than 300 feet longer than the famed Titanic! These shipping vessels are so big their loads of containers, stacked on end, would… More →

A popular cartoon co-star, the roadrunner is known for its speed. Roadrunners can run up to 18 miles per hour! They live up to their name, spending most of their time running on the ground… More →

Huge blades, giant tracks, and powerful engines enable these colossal bulldozers to wipe out anything in their paths. They can even move 90 cubic yards of material per pass! Plow through more More →

Hummingbirds are as beautiful as they are talented. Beating more than 50 times per second, their wings create a humming sound as they hover and speed through the air. Not only can… More →

Massive aircraft carry space station components, multiple school buses, and even smaller airplanes! The world’s largest airplanes are more than 20 feet longer than the Wright brothers’ famous More →

Mice will eat just about anything, from grain to cheese to glue. These small rodents live all over the world and tend to stay near humans to scavenge for food. In the wild, mice often became… More →

At nearly 30 feet long and 14 feet high, these massive tractors tear up fields with incredible power. After a day of ripping cropland, the points even glow red hot! Young readers will harvest More →

Before cows make milk, they drink it. Young babies often down two full gallons a day! In this book, take a trip to the countryside to see cute calves quenching their thirst and more in the… More →

Baby horses are on their feet soon after birth, and they are trotting in no time. Gallop alongside young foals to discover their endearing quirks in this book for young readers. You might… More →

A spider’s silk is liquid inside its body. When it hits air, it solidifies into elastic strands that spiders use to build webs, trap prey, bungee from great heights, and more. This… More →