A "practical intellect" is a not ordinary book on that, how "effectively to think". No, she is begun with consideration of biological bases of thinking, telling how to reprogram him from instinctive to analytical and to get to essence of things, on the basis of the got information to accept the best from possible decisions. This book presents the real, effective set of tools, as a correct thinking - it, foremost, AS, but not why or that. you know: as a body and brain must co-operate, realizing the task of the rapid thinking| as it in actual fact - to think deeply and to analyse| how to think of thinking - and what obstacles stand on the way of kind intentions. Mainly, that you at once were able to apply the models of thinking presented in practice here, while they will not become habit. And then you will be able to expose hidden details, to avoid thinking traps, quicker to realize what be going on, but not blindly to trust all, that we see, hear and feel. A practical intellect is a search of truth.