Take the Mensa challenge! These extraordinarily entertaining puzzles can confound even those with high IQs-and that's what makes them such delightfully tricky f

You don't need to be a genius or a professor of mathematics to have hours of fun with this book - just some logical thinking, a little common sense, a bit of ge

Brainiacs on the prowl for challenging fun will find everything they're looking for in these cunning conundrums. Puzzle master Terry Stickels has created a mind