Unless this sort of thing is better suited to being highly temporary, with new ones spawning whenever someone gets the itch? I don't see how, but I may not be thinking of something.
it supports adding books, though i could work on some code to be able to put in an isbn number to automatically pull the book information.
Have someone create an account on the site and then the site gives a token to put in your profile to verify. After that it is linked.
This thing is great as a yearly thread though, wait for all the pressure of unwanted books to build up and then throw them into one thread. Then once the pressure has dissipated wait until next year to do it again.