MIDDLE GRADE

History is full of the weird, wild, and wacky—and in this interactive adventure book with 250+ photos, middle grade readers uncover the incredible mysteries of our world and discover why history is the coolest subject ever with mind-blowing stories about  ancient civilizations, dinosaurs, hidden treasures, pirates and more.

In this disgustingly marvelous world, you will discover facts about smelly sports, weird world records, rank rodents, vile Victorians, horrible medicine, gory gastronomy, and more—all of which are connected in unexpected and hilarious ways!

Do robots have emotions? What would happen if you jumped into a black hole? Can plants … hear things? Find the answers to these and even more far-flung questions in this quirky, super-stuffed curiosity quencher.

Find out how pizza became the world’s favorite comfort food in this nonfiction book, part of the HOW IT HAPPENED! Series. This fact-filled book delivers the deep dish on pizza culture, history, and science.

In this blast-from-the-past adventure you’ll discover hundreds of the most mind-blowing facts from history.

Get ready to soar through the story of skateboarding from the science behind the decks to the history of the cool tricks skateboarders continue to create . . . and everything in between!

Follow an ingenious trail of 400 facts about everything from secret recipes and escape artists to hidden treasure and invisibility cloaks.

Why can kids hear better than grown-ups? Why can’t humans spit like llamas? This brainy and zany Q&A book answers the serious and silly questions kids have about the human body.

Find out how gum became everyone’s favorite chewing candy in this fact-filled nonfiction book, part of the How It Happened! series.

Featuring profiles of over 75 remarkable women from across centuries and around the world, you’ll discover amazing, diverse women, both famous and little-known, who smashed stereotypes, overcame odds, and achieved their goals.

1 paw print ... 2 paw prints ... 3! Scientists use math every day to track animals. Join a real animal tracker to COUNT in the rainforest, ADD animals on the savanna, MEASURE in the ocean, and more. Then test your math skills with special You Can Do It challenges.

1 skyscraper ... 2 houses ... 3 castles—the world is full of buildings! Architects use math every day to design buildings. Join a real architect on an amazing adventure to recognize SHAPES, discover PATTERNS, COMPARE skyscraper sizes, and more. Then test your math skills with special You Can Do It challenges.