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

You’ll meet an underwear-stealing cat, find out about sharks that glow, uncover a toilet in disguise, and learn about the biggest ever game of hide-and-seek. And the facts aren’t the only secrets in this book, for hidden among the illustrations are ten mice just waiting to be found!

Lavishly illustrated with witty illustrations that combine artwork and photography, and verified by the experts at Encyclopaedia Britannica, Secret FACTopia! sheds light on some of the world’s most amazing “hidden” facts, which kids will be desperate to share with their friends and family.

Index included.

"It is like the National Geographic Weird But True books if James Joyce (Ulysses) had written them in his stream-of-consciousness style.” - Karen Yingling, YA Books Central

"The perfect choice for keeping kids busy on long car rides or as a free choice activity in classrooms." - Flying Off My Bookshelf

"Each factoid is short; just one sentence that tantalizes your brain to learn more!" - Luminous Libro Blog

Selected for the Reading Rockets Summer Reading Guide 2024

Praise for the FACTopia! series:

“Free association rules in this gathering of hundreds of facts about science, technology, and the natural world.” - Kirkus Reviews

"The colorful illustrations, pictures, and diagrams show readers things they could never have imagined otherwise." - Youth Services Book Review

"The facts are both funny and interesting." - Kids' BookBuzz

"Interesting facts propel this journey through 400 varied tidbits about animals." - Association of Children's Librarians of Northern California

“The trail of interconnected facts is a small piece of genius.” - Robin Brooks, GeekDad

“This is a new favorite nonfiction series that belongs on your bookshelves!” - Imagination Soup

“We can’t get enough of these books! Filled with fun facts, silly science, and great illustrations, follow the trail of facts on each page to learn a little bit about EVERYTHING!” - Big Books for Little Hands