Books in the Great Dragons series

From the days of Dungeons and Dragons comes this epic fantasy tale centering around two Knights who have been accused of crimes they did not commit. Banished from their lands they seek to regain their honor. But it is the mystery of one of the Knight's destiny which is the catalyst for it all. The Fire Islands, far to the North, holds the answers to the future. Slaying a dragon will give them their honor back. A suicide quest but their only hope.