Ramblin, you are on "thin ice" using a custom BookID numbering scheme. Please read the warnings in the manual. Hoster does NOT protect a custom numbering scheme, and as you are aware, MERGE, should you ever need it, will ignore your scheme and autonumber any duplicates.
I strongly suggest you consider giving up your scheme before you get much farther. One night, when you are tired, you will do something and your scheme will be damage. Just my advice, you can take it or leave it.
