“On the spur of the moment, with no particular psychological or literary theory in mind to justify it, I developed my Rule of 50: Give a book 50 pages. When you get to the bottom of Page 50, ask yourself if you’re really liking the book. If you are, of course, then great, keep on reading. But if you’re not, then put it down and look for another….”
Nancy Pearl, in an article in the Toronto Globe & Mail, helps alleviate the guilt of giving up on a book that just does not catch your fancy. She discusses growing up being told to finish things you start, and how difficult it was to abandon a book but realized life is too short and there are too many books.