IQ Puzzles: Over 500 Mind-Stretching Puzzles (Paperback) by Arcturus Publishing

9781784040307. New condition. Paperback. Language: English. Intended for a juvenile audience. IQ Puzzles is a fun way of boosting your brainpower. Organized into sections, and comprising a more and more challenging array of puzzles and problems, it will give all aspects of your intelligence a rigorous workout.