有几本书，建议所有想获得正确思考能力，进而表达清晰的人阅读。
Thought and Knowledge: An Introduction to Critical Thinking 4th edition, by Diane F. Halpern
Thinking and Deciding, 4th edition, by Jonathan Baron
Argumentation: The Study of Effective Reasoning by Zarefsky David (Audiobook)
Craft of Research, by Wayne C. Booth, Gregory G. Colomb, Joseph M. Williams
Good Reasoning Matters!: A Constructive Approach to Critical Thinking 3rd edition, by Leo A. Groarke, Christopher W. Tindale
另外，还有三本关于文风（Style）的书籍也一定要看：
On Writing: A Memoir of The Craft by Stephen King (with audiobook) Style: Toward Clarity and Grace by Joseph M. Williams
另外，还有一个TTC (The Teaching Company)的视频教程，是我所见过最好的写作课程：
Building Great Sentences。