The honorary president of world mensa tests the intelligence of all comers in the biggest collection ever of top grade puzzles and tantalizing brain teasers...

With this bumper collection of brain teasers, Victor Serebriakoff raises the stakes in the puzzle challenge. First he tests your IQ. Then with a handicap based on your score, you embark on hours of brain-stretching, devious and challenging puzzles. This is the most thorough and exhaustive test of your intelligence yet devised.