Word Count
First try using this site to find the number of words in your book:
You may try "Googling" the word count on your own, but "CROSSCHECK" your sources by checking two sites.
If you are unable to find a book's "word count," do NOT despair. Find a "typical" page in the book and count all the words on that page. Then, multiply that number by the number of pages. This will give you a surprisingly accurate number of words in the book.