Which ones? I quite liked some of the early ones, particularly Mike Stackpole's Warrior trilogy (En Garde, Riposte, and Coupé), which predate his later very successful Star Wars: Rogue Squadron series which he's more famous for. I also have fond memories of Heir to the Dragon and Wolves on the Border, by Bob Charrette. These are all set in the lead up to and the Fourth Succession War, preceding the Clan invasion. The first few Clan war books (Lethal Heritage, Blood Legacy, and Lost Destiny), by Stackpole, are pretty decent, IMO, and continue well from Wolves on the Border. Later books by other authors I did not find as well-written and my interest dropped off quickly during the next two or three.