Thanks, but what I'm trying to do is split authors ... and I think I've worked out how to do it. The trick is to make sure you're looking at the "work" rather t

Thanks, but what I'm trying to do is split authors ... and I think I've worked out how to do it. The trick is to make sure you're looking at the "work" rather than the "edition", because when you're looking at the "edition" the author is immutable.