1) Never read a book that can be adequately summarized
2) Never read a book you would not reread
3) No book that can be shortened survives
4) Never read a book written by a journalist
5) Never read a book if you understand the table of contents
6) Never read a textbook as if you were reading a book
7) Never read a textbook in the sequence prescribed by the author(s)
8) Never read a book if you know what you are getting out of it.
9) Never read a book if you don't expect to be surprised by something in it, while reading it.