Are you a Super Brain, Mega Mind, or Maths Genius? In MENSA Brain Busters - Number Crunching Puzzles you'll find out just how smart you really are. Stun your school friends and amaze your parents with your awesome brainpower as you work your way through these mind-twisting challenges. Packed with tricky maths and number problems these brain-busting puzzles will keep you entertained for hours. This handy, pocket-sized book is divided into three sections according to levels of difficulty - Easy (Super Brain), Medium (Mega Mind) and Hard (Maths Genius). All the puzzles are supplied by the mega-clever boffins at MENSA, so if you can crack all the puzzles, your parents and friends will be impressed that you really are a Maths Genius! When you need to check the answers - or if you are really stumped and the puzzles are giving you a super-brainache - the solutions can be found at the back of the book. Once you've mastered these maths challenges, you may also want to pit your wits against the puzzles in the companion book MENSA Brain Busters - Mind-twisting Puzzles.