Bloodstone is a very good ending for the saga of Jon Shannow. "I am Jon Shannow and I never lie."Shannow settled down at the end of The Last Guardian. This story starts with him wounded, on the run, and stricken with partial amnesia. The villain of the story, at least in the beginning, is a mysterious religious leader called The Deacon. Shannow's quest takes him across dimensions and ties into the ending of The Last Guardian nicely. Amaziga and Sam Archer make appearances, as do Clem Steiner, Beth McAdam, Daniel Cade, and other characters from the previous two books.
The three Jon Shannow books are well worth a read, especially if you like your fantasy with a bit of western flavor, ala The Dark Tower.