Hundreds of historic brain-leasing challenges await you inside this beautiful treasure trove of paradoxes, puzzles and problems.
Whether you are a puzzle-solving beginner or an old hand, you are sure to enjoy this enigmatic guest, which contains a dazzling array of artfully illustrated posers.
Can you solve the Riddle of the Four Queens, unravel the Problem of the Murderous Route, and crack Merlin’s Love Potion Conundrum?