How Do You Decide if You Want to Read More or Invest in New Books?

Seth Godin: How do you decide whether to go back and reread a book or gain more from it? He says some books are tools, others are fresh explorations of something you hadn't considered. One reader asks if he should stop doing business by closing his company or maybe selling it to someone else. godin: Should I increase the things I have been doing in order to compensate for my lack of concern about the environment?