
Modern Puzzles
Try this: place eight queens on a regular chess board so that none can attack any others--in other words, so that no vertical, horizontal, or diagonal line holds more than one queen. Can you do it? These 100 baffling brainteasers from across the globe have puzzled the most intelligent humans of our age. Now it\'s your turn to solve the toughest conundrums ever gathered!
£7.99 £7.98
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