"For all their benefits, classic books also have their limitations. These problems aren’t major, but they can make reading a classic novel less enjoyable than if they did not exist.
Overall, there are really only two main shortcomings to classic books. First, books cannot change, but the world around us is changing every day. Books’ unchangeable nature is just a fact of the written word, but it makes the creation of a prolific novel much more difficult. Inevitably something will happen to make most classics irrelevant in today’s world"...
Something will happen and make a classic (timeless) novel irrelevant? Really? Is this why classics are being re-written to include zombies? Because that really makes them relevant today.
Jack King "A new King of thrillers": www.SpyWriter.com