And for the hard of understanding, include in that list the books that cannot have Lulu ISBN and Dists.
Also include exact details on what the two options mean. http://connect.lulu.com/t5/ISBN-Distribution/What-
While you are at it, also add what ebooks can have an ISBN and Dist and where they get 'sent' to. when they can
Why have them 'scattered' all over the site?