The What Do We Know About? series explores the mysterious, the unknown, and the unexplained. Are the geometric field patterns fact, myth, or legend?

Presenting What Do We Know About: an exciting new addition to the #1 New York Times Best-Selling Who Was? series!

What Do We Know About Crop Circles? lets curious young readers learn about the phenomenon of crop circles and how they came to be one of the most studied mysteries of the natural world. Read about all of the rational and fanciful explanations for these flattened patterns in crops all over the world, from the United Kingdom to Australia. Artists and hoaxers alike have claimed credit for these massive projects, but some people think that the source could be paranormal. Are these circles an elaborate prank, or could they be something more?

The What Do We Know About? series explores the mysterious, the unknown, and the unexplained. Will we ever learn the truth about what actually landed at Roswell?

From the #1 New York Times Best-Selling Who Was? series comes Where Is?, a series that tells the stories of world-famous landmarks and natural wonders and features a fold-out map!


In 1947, an unusual object crashed in the New Mexico desert and was recovered by the Roswell Army Airfield officers. People everywhere began to speculate what the object could be. Could it possibly be a flying saucer? Would that be proof of aliens and life beyond Earth? Even decades later, some people still believe that the Roswell Incident is the most famous UFO sighting ever. Still, those who worked at the airfield insist it was just a weather balloon that had fallen from the sky. Was the Roswell Incident evidence of alien life, a government cover-up, or just a myth? Here are the facts about what we do know about Roswell.

The What Do We Know About? series explores the mysterious, the unknown, and the unexplained. Is this celebrated sea creature fact, myth, or legend? Find out all we know about the Kraken and its history in this exciting book!

Presenting What Do We Know About?, an exciting new extension the #1 New York Times Best-Selling Who Was? series!

Sea monsters have a long history in lore and literature. Homer first wrote of them in 700 BCE. What Do We Know About the Kraken? lets curious young readers explore what we actually know about this mysterious sea monster's long history. Dive into the facts behind this massive squid-like creature that was first described using the word "Kraken" in the beginning of the eighteenth century. For centuries, sailors have feared the Kraken, which they believe lurks in the ocean, waiting to pull ships beneath the surface with its powerful tentacles. Several famous writers such as Alfred, Lord Tennyson and Jules Verne have described monsters inspired by the Kraken. In this book, readers will also learn about the real creature that might have inspired the Kraken -- the giant squid.

How did the mysterious images high in the Nazca Desert in Peru come to be? Find out the truth about these ancient figures in the soil that can only be fully seen from high above the Nazca plain.

Presenting What Do We Know About?, an exciting extension of the #1 New York Times Best-Selling Who Was? series!

The Nazca Lines in Peru have mystified people around the world for centuries. The famous figures, sometimes called geoglyphs, include a hummingbird, a spider, a fish, a monkey, a dog, a cat, human-like figures, geometric designs, and more. These amazing images were believed to have been created between 500 B.C.E. and 500 C.E., and no one is quite sure how or why they were created. Some historians believe that they are ancient irrigation systems, but other researchers believe in a more paranormal origin story. Were the Nazca Lines created by ancient cultures thousands of years ago, or could they have been alien landing sites? Find out the truth about the Nazca Lines in this book for young readers.

What Do We Know About the Yeti?

by Ben Hubbard

Published 24 September 2024
The What Do We Know About? series explores the mysterious, the unknown, and the unexplained. Does the ape-like Yeti really roam the Himalayan mountain range?

Not quite human and not quite an animal, the Yeti has been the subject of speculation for centuries. In modern times, the Yeti has become a popular cryptid, appearing in movies, books, and TV shows. Although there are many claimed sightings of the Yeti, there is no real evidence that it exists. This elusive cryptid, also known as the Abominable Snowman, remains a mystery. Does the Yeti truly live in the snowy Himalayas? Have the Sherpa who live there spotted him at the highest altitudes? Here are the facts about what we really know about Yeti sightings, research, and lore.