Want to know how likely it is that robots will take over the world? Or what Viking heroes were really like? Find out in this guide to all things smart and geeky–from ancient history to sci-fi technology, Marvel superheroes to edible insects, and beyond! Move over dictionary. There’s a new reference book in town!

This superstuffed alphabetical compendium of must-know facts from science, pop culture, history, and more is perfect for kids who already know the names of every single dinosaur or want to understand exactly how the Millennium Falcon works. It’s a book for grammar gurus, science snobs, music geeks, and history buffs. In short, it’s a book for nerds.

Inside, you’ll find browsable, info-packed blurbs that’ll give you the lowdown on everything from augmented reality to zydeco, with larger features that dive deep into fascinating topics like UFOs, pirates, artificial intelligence, and daring circus acts. You’ll find out what kind of nerd you are with superfun flowchart quizzes. And you’ll hear from the world’s most notable (and quotable) Nerds of Note from history and today.