In The Shadow of Swords

When the assassin Ciris Sarn, murders Hiril Altaïr, he unwittingly leaves behind the legendary Books of Promise. They come into the hands of Hiril’s vengeful widow, Marin, and she becomes a target even as she hunts for her husband’s murderer. Meanwhile, Fajeer Dassai, a brutal kingmaker, plots to retrieve the fabled treasure to make himself wealthy beyond imagination. His only obstacle is Pavanan Munif, a capable, but drug-addicted tracker. Soon assassins, sheikhs, spies, and viziers are all embroiled in a potentially world-shattering conspiracy racing to an inevitable showdown where violence and murder is the only path to true redemption.