Grade 1

The male peacock’s brilliance lies in his train of feathers. When he finds a potential mate, he fans out his train to impress her with his bright and shiny plumage. As far as females are… More →

Tiny bristles called setae help earthworms burrow several feet into the ground. The earthworms bring nutrients and minerals to the surface, and on the way, their tunneling aerates the ground. More →

There are dump trucks with tires as high as two grown men! These enormous trucks could never share a street with other vehicles. This explains why “off-road” is how they roll. They are built… More →

Little pandas look like gymnasts in training. They tumble around on the ground, and they try to keep their balance on tree branches. Begin reading to watch fluffy panda cubs fumble around… More →

At a glance, sea otters seem to have a laid-back approach to life. Look closer and you’ll find that they tackle all kinds of tasks on their backs, like nursing their young or cracking… More →

Dogs show many different sides during their puppy stage. A snuggly side appears when they get sleepy. A spunky side comes to life when it's time to play. Sloppy little licks show a loving… More →

Monkey babies are clingy children, hanging on to mom or dad for dear life. Some infants hug dad's belly. Others ride on mom's back. After you make your way through this book, you will be… More →

Wolf pups look soft and sweet, but they have a true competitive edge. They need this to fight for their place in the pack and achieve hunting success later in life. The playful pups wrestling More →

A look at an antelope’s hooves may give a clue as to where it lives. Wide hooves give desert-dwelling antelopes footing on the sand, and padded hooves keep rock-climbing antelopes from… More →

Sloth pups are the perfect combination of peculiar and precious. Whether they are hanging upside down from a tree branch or using mom like a hammock, they are fascinating. Enter tropical… More →

Some trains have so many cars that they are miles long. The longest freight train in history had 682 cars filled with iron ore. This beast of a train needed eight locomotives to pull it… More →

Mongooses are nothing if not tenacious. These creative hunters whack bird eggs against hard surfaces to get at the meal within. They’ll even grapple with venomous snakes, waiting patiently… More →