Grade 4

Ellie feels like she is disappointing people if she says '"no." One way or another, she thinks she is hurting someone's feelings. Or she puts other people's wants or needs in front of her… Read More →

The circulatory system is made up of the heart, the blood, and strong tubes called blood vessels. But what does the circulatory system do? And how do its parts work together to keep your body Read More →

The digestive system is made up of the tongue, the esophagus, the stomach, the intestines, and other parts. But what does the digestive system do? And how do its parts work together to keep… Read More →

Do your eyes send out light like headlights? Does your liver create blood? Do bumps on your head tell what's inside your brain? At one time, science supported wild notions like these! But… Read More →

The muscular system is made up of three different kinds of muscles: skeletal muscles, smooth muscle, and heart muscle. But what does each kind of muscle do? And where in the body are they… Read More →

The nervous system is made up of the brain, the nerves, and the spinal cord. But what does the nervous system do? And how do its parts work together to help your body function? Explore the… Read More →

What if you woke up one morning and could turn invisible? Would you fight crime? Save the world? If you're like Leopold, you'd rather play tricks on your big sister and steal her caramels!… Read More →

The respiratory system is made up of the nose, the throat, the lungs, and other parts. But what does the respiratory system do? And how do its parts work together to keep your body healthy?… Read More →

The skeletal system is made up of about two hundred and six bones. But what exactly is a bone? And how do bones help your body function? Explore the skeletal system in this engaging and… Read More →

Have you ever watched a home video that went viral on the Internet? Then you've probably heard of the company YouTube. YouTube was created by Steve Chen, Chad Hurley, and Jawed Karim in… Read More →

Gooooooo team! Do you want to learn more about cheerleading? Or are you already a cheerleader? Either way, this is the book for you! You'll find tips about everything from cheer gear and… Read More →

Parker is a normal sixth grader—or he was normal before the puppet. It’s just an old hand puppet, sticking out of a garbage can, and even though Parker’s best friend says leave it, Parker… Read More →

Warning: this book sucks! It bites, slurps, and sticks too. Dare to open these pages and you'll find ticks, mosquitos, stingrays, elephants, jellyfish, and the particularly sucky lamprey.… Read More →

Chocolate, papaya, corn, and potatoes - these are only a taste of the many delicious foods native to the Americas and celebrated in this delightful collection. Imaginative, evocative poems… Read More →

Are you ready to cook up some yummy soups and salads? You can be the chef with these easy-to-follow recipes for dishes such as chicken wonton soup, fruity dessert soup, crunchy taco salad,… Read More →

This graphic novel tells the legend of Yu the Great, a Chinese hero from the twenty-first century B.C. Some scholars believe Yu actually existed and that he founded the Xia Dynasty, the first Read More →

You may know Zendaya from the Disney Channel's Shake It Up. But did you know that she: • danced in a hip-hop group when she was eight years old? • was the youngest contestant ever on… Read More →

Zendaya is a triple threat! She dances, sings, and acts. Zendaya has been performing since she was a kid. Find out how she got her start on Disney Channel, her latest blockbuster movies, and Read More →

Ziggy loves coming up with new inventions. Unfortunately, though, most of his inventions just don't work out, like the square 'Ziggyball' or the 'shulstilts' he makes for Rabbi Levi.… Read More →

After one breakout season playing college basketball at Duke, Zion Williamson was drafted into the NBA (National Basketball League) by the New Orleans Pelicans. Learn about one of the NBA's… Read More →

Jump onto the court with New Orleans Pelicans star Zion Williamson in this first-look biography! Discover how hard work and a drive for success led him to become the number-one pick in the… Read More →

XYZ! When Joe and his dad rush out the door to run errands on a Saturday morning, Joe notices that his motormouth father forgot a crucial detail when he got dressed. But will Joe’s dad… Read More →

You may know that Zoë Kravitz made a splash when she starred as Angel Salvadore in X-Men: First Class. But did you know that Zoë: • has a passion for music and started her own band called… Read More →