IQ is a measure of people's intelligence, based solely on their logical, mathematical, and linguistic skills. Wait, there's more - The lesser-known intelligences are spatial, musical, bodily-kinesthetic, social-interpersonal, spiritual-intrapersonal, and naturalistic. In BrainWidth, each of these additional intelligences is explained, and tangible suggestions are offered to strengthen individual intelligences. A quick read chocked full of sound information and advice.