Nomor,
I was able to locate one of those books you wanted, Balylon5 security manual, by jim Mortimore
Check out powells.com website, published by Ballantine books, price for 11.95 to 12.95, used copy in standard condition.
http://www.powells.com/search/DTSear...by_author&stor e=all&perpage=25
Sorry no hits on that other book A-Z guide to balylon5.
I'm keep looking for you.
Lighthorse