The Samaritan's Secret. Book 3

When Omar Yussef travels to Nablus, the West Bank’s most violent town, to attend a wedding, he little expects the trouble that awaits him. An ancient Torah scroll belonging to the Samaritans, descendants of the biblical Joseph, has been stolen. But when the dead body of a young Samaritan is discovered, a seemingly straightforward theft inquiry takes an unexpected turn.
As Omar sets out to find the perpetrators of this murder, he is driven down into the murky alleys and tunnels of the old casbah