Hate to rid this but I cannot find a reasonable price on the 4th game(Quarantine). All the game include their respectable strategy guides. Ugh, I have too many rare games and these are hard to let go.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MESELX:IT&item=150347322797
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MESELX:IT&item=150347322797