Synopsis Devious Mind-Bending Puzzles has one sole purpose: for you to have fun. Devious puzzles like those in the book are the best of their kind because they'll boggle your brain, almost push you past your limits, and leave you wanting more challenges just like them. Whether they're math or word conundrums, you are sure to enjoy coming up with the answers. There's no time limit for any of these puzzles. Take as long as you like or skip any puzzle and come back later. You'll be amazed at how quickly your mind starts piecing things together!