Well, the old one was a personal journal, and only covered the shooting, so I doubt they will have 200 pages of a guys experience on the set. They will probably take the interviews he did, and maybe a couple observations. I would hope they would incorporate his carbon-freezing shooting transcript, but its far too lengthy, if they use any of it they will probably just take a few pages. Which is a bit of a shame, but at least it still makes Arnold's book valuable.

Since John Peecher's Making of Return of the Jedi was far less personal and covered most of the production, I do suspect that most of it will show up in the new ROTJ book, whenever it appears.