Lerner Publications ™ imprint: 893 books

Carefully leveled text and fresh, vibrant photos engage young readers in learning about cats as pets. Age-appropriate critical thinking questions and a photo glossary help build nonfiction learning skills.

Flying dinosaurs? Well, kind of! Pterodactyls are one of the most fascinating ancient creatures. Because they flew and didn't walk on the ground, they're not technically dinosaurs—but they were still pretty cool! Read on to find out more fascinating facts about these fancy flyers. Diagrams, age-appropriate...

What if elephants were covered with thick hair? Such a creature existed until about 4,000 years ago! Learn more about the giant, tusked woolly mammoth, which coexisted with humans until it went extinct. Full-color photographs, diagrams, and other resources make this title interesting and accessible to young readers.

Carefully leveled text and fresh, vibrant photos engage young readers in learning about guinea pigs as pets. Age-appropriate critical thinking questions and a photo glossary help build nonfiction learning skills.

Velociraptor was a scrappy scavenger. Did you know it was only about the size of a chicken? Learn about what scientists know about velociraptors in the 21st century. Diagrams, a photo glossary, and other helpful features make this an interesting and informative look at a fascinating creature!

What if you were the size of a school bus? Well, you'd probably need a new house, for starters! Meet the iguanodon, an herbivore dinosaur who weighed tons—literally! Learn about what life was like for these spiky-thumbed plant-eaters, and become an iguanodon expert with full-color photographs, diagrams,...

Carefully leveled text and fresh, vibrant photos engage young readers in learning about goldfish as pets. Age-appropriate critical thinking questions and a photo glossary help build nonfiction learning skills.

Did you know that President Thomas Jefferson used a copier? Or that one of the world's fastest computers is the size of a two-story house? Get ready to learn the strange stories behind technology inventions you use every day. From the teenager who first imagined the television to a $900 smartphone...

You probably know that electricity powers your computer and other electronics. But what is electricity? How does it work and where does it come from? Scientists have been asking questions about electricity for centuries. Does it come from frog muscles? Can magnets create electricity? How could people...

Ancient dragons breathed fire and gobbled up humans. Fierce mythical griffins had the heads of eagles and the bodies of lions. More recently, people have reported chupacabras drinking the blood of farm animals. These monsters and more have frightened people for centuries, and have made their way into...

On a rainy spring night in 1777, sixteen-year-old Sybil Ludington and her horse raced through the woods. The American colonists were fighting the Revolutionary War, and Sybil was on a mission. If she didn't succeed, British soldiers would attack her town and everyone in it. Ride along with Sybil and experience the story of the girl who traveled all night to help the war effort.

Did you know that people with rakes used to do the work of garbage trucks? Or that porta-potties were put on ships to keep workers from running to shore for bathroom breaks? Get ready to learn the odd stories behind inventions you use every day. From the T.P. of Chinese emperors to the landfills of...

Have you ever used your imagination to solve a problem? When Albert Einstein was young, he was fascinated by the way magnetism made a compass work. As an adult, he used thought experiments to solve some of the universe's greatest mysteries. Einstein loved to think about math and science. He worked...

Math is everywhere in sports! See who's scoring inside this book—and how we need math to finish the game! You'll need your math smarts to calculate scores and statistics, plan season schedules, measure distances, choose the right size equipment, and more. It all adds up to a lot of fun!