it comes down to whether you trust the accuracy of the plug-in, or are obsessive enough to test it with a large sample of books & compare the word counts that you get from converting to txt, doc etc & counting with other tools
but once you get that obsessive, how do you define "
words in a book" anyway.
Do you count the
TOC words, the
copyright page, the
if you like this please read on for an extract of something else crap ( which I always delete), the "about the author" page ( ditto, the other books by... (ditto) if i need to know that I can just google, I don't need it inside of every book....
I am happy with just a count of pages per book; that gives me a reading estimate & if I take it after deleting the aforementioned "extras", its then based on only the story length
I would suggest that only writers /proof-readers who are paid per word ( & OCD sufferers) need an actual word count