The climatic fourth and final novel in the Dragonships of Vindras series, Doom of the Dragon, by Margaret Weis and Tracy Hickman.
In three previous novels, Skylan Ivorson overcame obstacles that would have defeated a lesser man, rising from obscurity to become the Chief of Chiefs of the fearsome Vindrasi who sail their living dragonships far and wide to raid and plunder for the glory of the gods. However, a cruel twist of fate struck him down before he and his beloved could complete their quest for the five sacred dragonbones that would summon the great dragon Ilyrion and save their people from destruction at the hands of an evil god. But even true death is denied him, and his destiny is unfulfilled.