There is no special list for validators, and you don't have to do anything special to be a validator as far as I know. If you're scanning books for bookshare and uploading them already, then you can be a validator as well. Just find the link on the page that comes up when you log in. It says step one download. Press enter on that and you'll see a whole long list of books in various formats which are ready for validation. There are a lot of those babysitter's books on bookshare already. And I think perhaps balance of power is as well but am not totally sure. It pays to check the collection before undertaking a big scan like that. I think there use to be a link for signing up to the volunteer list right on the fron tpage of bookshare, but I don't know if that is true now or not. Maryy