How high is your IQ? Challenge your brain! You might not realize it, but you use problem-solving in everything you do. Logical thinking and making connections are skills that everyone uses consciously and unconsciously every day. And the good news is that you can train these skills! In this book you will find numerous IQ tests, such as challenging riddles, math puzzles and brain teasers, with which you can not only really test your brain, but also estimate whether or not you are smart enough for Mensa. The questions were created by Mensa, an international association for people with a high IQ. Features • Developed for seasoned puzzlers • The solutions are at the back of the book • More information about Mensa can be found at www.mensa.org