I just received an email from an online bookseller recommending what it called “Career Books to Stay Competitive.” The message talked about how “technology, business and the working world are changing rapidly in today’s fast-paced environment,” and how you need to read these books “to keep you sharp and on top.” That’s all very nice marketing-speak, but the message is clear. These days, either you do everything you can to be indispensable or your name may be on the next pink slip. The 30 books were neatly divided into six different categories–which I’m not going to list–but here are...