So you think you´ve got problems?

This is a collection of ingenious and satisfying puzzles drawn from across the ancient and modern world. You will be imprisoned by a sadistic logician; thrown in an arena with a famished lion; and balancing along an ever-expanding elastic band. Implausible scenarios in daily life, perhaps. But in puzzle-land, you get into these scrapes all the time. You´ll need to pit your wits against riddles, word problems, visual and logical conundrums. Some solutions will rely on ingenuity, some will challenge you to spot patterns, others call for extreme rationally. All will stretch your brain. Let´s get puzzling ...