Tom Wrneck

How can a train move...without moving? Challenge your brain! Presented in this book are a series of tough brain games, mathematical puzzles and all kinds of riddles. Woven through these puzzles are entertaining stories of a group of friends trying to challenge their brain and solve these puzzles. If you are feeling sharp, you too can join in the fun. You will only have a few enigmatic hints to outplay everyone else in these brain games.