Use Your HeadAre you worried that you're not achieving your full potential? A few years after this classic book on how to improve your brainpower was first published, a fairly average student announced that he intended to try for a place at Cambridge University. His chances were assessed as slim', since his grades were usually unexceptional. But with the help of Use Your Head, he went on to achieve four As at A level, two starred firsts at Cambridge and a top job