In this blast-from-the-past adventure you’ll discover hundreds of the most mind-blowing facts from history. Hidden tombs, ghostly ships, boiled vipers, samurai warriors, snow machines, pet lions, hidden pyramids, secret codes, flaming fireballs, wooden swimsuits, sparkling jewels and many more are all woven together in this ingenious web of connected facts. And there isn’t just one trail through these facts. Sometimes your path branches, and you can choose to fast forward or rewind to a completely different (but still connected) part of history. Where will your curiosity take you?

Find out how pizza became the world’s favorite comfort food in this nonfiction book, part of the HOW IT HAPPENED! Series.  Did you know that every hour, more than one million slices of pizza are eaten in the United States? But this cheesy flatbread had a long journey before becoming a global comfort food. This fact-filled book delivers the deep dish on pizza culture, history, and science. Whether you like thin crust or Sicilian-style, this book is one that pizza lovers won’t want to miss!  

Find out how gum became everyone’s favorite chewing candy in this fact-filled nonfiction book, part of the How It Happened! series.   Baseball stadiums, movie theaters, underneath your desk at school—gum is everywhere. But how did this gluey glob become everyone’s favorite candy to chomp on? Readers will love gobbling down the story of gum, from its ancient origins to its influence on “pop� culture . . . and everything in between! 

Find out how pizza became the world’s favorite comfort food in this nonfiction book, part of the HOW IT HAPPENED! Series.  Did you know that every hour, more than one million slices of pizza are eaten in the United States? But this cheesy flatbread had a long journey before becoming a global comfort food. This fact-filled book delivers the deep dish on pizza culture, history, and science. Whether you like thin crust or Sicilian-style, this book is one that pizza lovers won’t want to miss!  

Find out how gum became everyone’s favorite chewing candy in this fact-filled nonfiction book, part of the How It Happened! series.   Baseball stadiums, movie theaters, underneath your desk at school—gum is everywhere. But how did this gluey glob become everyone’s favorite candy to chomp on? Readers will love gobbling down the story of gum, from its ancient origins to its influence on “pop� culture . . . and everything in between! 

Unwrap 500 fascinating knowledge nuggets about all kinds of topics to boost your brainpower in this yummy little fact book.

Let's start with a million. A million days ago, the first Olympics took place in ancient Greece. If you live a million hours, you'll be 114 years old. And how many ants equal the weight of one average human? That's right, a million. Open the candy cover and take a deep and delicious dive into numbers, fun facts, and cool trivia on all kinds of topics. It's a novel approach to feeding kids tantalizing tidbits about the world, and is sure to be an addictive addition to the bookshelves of Weird But True! and Just Joking fans.

In this endearing picture book series about dogs with jobs, you'll join real-life therapy dog Willow as she aids her community and brings smiles to people everywhere. Good dog, Willow!

Sometimes it takes a dog to get the job done! Meet helping hound Willow and follow her as she spends an exciting day at work. Gorgeous photography brings to life the true stories of sweet Willow's role as a therapy dog in Washington, D.C. Simple, lyrical text lets readers journey along as Willow visits patients at a hospital, helps children read at a library pajama party, and brings smiles to people who need them. Young readers will fall for this witty and daring tale of heroism, along with aww-worthy photographs sure to make dog lovers out of us all.

In this addition to National Geographic Kids' super-cute series about dogs with jobs, you'll join real-life fire dog Dolley as she protects her city and solves crime. Good dog, Dolley!

Sometimes it takes a dog to get the job done! In this endearing picture book, readers meet courageous canine, Dolley, and follow her as she spends an exciting day at work with the fire department. Gorgeous photography brings to life the true stories of brave Dolley's role as a fire dog in Virginia, U.S.A. Simple, lyrical text lets readers journey along as Dolley visits the site of a fire, trains to sniff out flammable items, and teaches students about fire safety. Young readers will fall for this witty and daring tale of heroism, along with aww-worthy photographs, sure to make dog-lovers out of us all.

In this endearing picture book series about dogs with jobs, you'll join real-life rescue dog Stella as she protects her community and finds lost people. Good dog, Stella!

Sometimes it takes a dog to get the job done! Meet courageous canine Stella and follow her as she spends an exciting day at work with the search-and-rescue department. Gorgeous photography brings to life the true stories of brave Stella's role as a search-and-rescue dog in Virginia. Simple, lyrical text lets readers journey along as Stella trains to track scent trails, rides in a helicopter, and saves a lost hiker. Young readers will fall for this witty and daring tale of heroism, along with aww-some photographs sure to make dog lovers out of us all.

Follow the paw prints and get ready to use math to track animals! 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. This brand-new series demonstrates how math skills can be applied to high-interest topics and careers in Coding, Building, Tracking Animals, and Space Exploration. The K-2 math concepts include counting 1-100 with basic addition and subtraction, using the power of 10, measuring, and simple geometry. Real world scientists, architects, programmers, and mathematicians model hands-on, from-the-field experiences in a way that will make children excited to use and expand their math skills!