西方有句谚语：上帝偏爱有准备的头脑。本书通过各种各样的测试题，让人们运用思维进行分析、综合、比较、抽象和概括，从而训练自己高超的思维技巧，让头脑变得越来越聪明，越来越灵活；其内容包括了"求正确答案"、"沙丘杀人"、"名画失踪案"等等训练方法。
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