page numbers aren't essential obviously it makes it hard for others to later check things but they're not a requirement except for the higher article ratings of course it does beg the question how you know the info is in the book if you don't have access to it but we always assume good faith around here as long as you can assure us the info comes from a specific published book that will suffice i guess you're referring to jessamyn west librarian apparently her wikipedia user id is