This book will keep you engaged with some of the most popular brain teasers throughout history from around the world. Aside from that, the authors also provide interesting historical facts. Puzzles are organized easiest to hardest.

Fact: Few things are quite as satisfying as successfully navigating your way through twisty, tricksy, and maddeningly wits-testing riddles. After all, good riddles will transport you to higher levels of thought, challenging your intellect at every turn, and ultimately make you a smarter person. As lovers of a good, brain-melting experience brought on by riddles, we scoured the Internet to bring you some of the hardest ones we could find.

The World's 200 Hardest Brain Teasers: Mind-Bog...