Honorary International President of MENSAVictor Serebriakoffhas created two comprehensive tests--similar to the elaborate standardized ones administered by professional psychologists--perfectly designed to measure your cognitive skills, reasoning abilities, quick-learning capability, and problem-solving proficiency. Begin with the practice quizzes to warm up, and then proceed to the actual tests, which concentrate on verbal, mathematical, and spatial relations questions. At the end of the booklet, you'll find the right answers and an explanation of how to determine your IQ from your scores. There are also tables that convert your results into a percentage rating so you can assess where you fall in the general population.