The Pendragon Murders

Author: J.M.C. Blair

Publication Date: 1 February 2010 

Publisher: Berkley

Merlin investigates a royal mystery at Stonehenge. A baron and his sons are found dead at Stonehenge. King Arthur's potential heirs start to mysteriously die. And only Merlin can prove that the murders are not the work of the plague, but something much more sinister.

Book 3.