Have fun while you expand your powers of deductive reasoning! Every one of these puzzles calls for conclusions based only on the information provided; the answe
Have fun while you expand your powers of deductive reasoning! Every one of these puzzles calls for conclusions based only on the information provided; the answe
Universally popular, checkers is one of the world s oldest and most elegantly structured board games and on a high level, it can demand real strategic thought.
Pit your wits against logic-teasers, matchstick quizzes, number problems, riddles, geometry puzzles, visual conundrums, word wonders, picture problems, mazes, a
Think you re smart? Prove it! Twenty-five brain-stumping IQ quizzes, featuring wordplay, diagrams, numerical challenges, and more, will really put solvers to th