Did you know that a squid has a brain shaped like a doughnut? Or that some butterflies drink turtle tears?

Every Britannica-verified fact in the book is connected to the next in an ingenious trail of information. Hop from topic to topic in unexpected and hilarious ways.

Discover extraordinary facts about:

• Space
• Bones
• Dinosaurs
• Goats
• Spiders
• Crocodiles
• Sharks
• Robots
• Ancient Rome
• Kings and queens
• Pharaohs
• And more!

But there's not just one trail through these pages: sometimes your path branches and you can choose to jump to a totally different (but still connected) part of the book. Discover where your curiosity will take you!