In regards to "Brigandine: The Legend of Forsena", it appears that the DP Rarity Guide spells it without the first "n".
http://www.digitpress.com/DP/cmf/game.cmf?gameid=154483
Also, concerning its value, it appears that it regularly sells for over $30 US for a complete version on eBay. I also did a search and saw that our own Maxlords tried selling his back in May for $5 and in March for $15 so I'm not too sure how you'd determine the guide price on that one since it stands at $4 complete at the moment.