Silence of the Grave by Arnaldur Indridason
"Inspector Erlendur returns in this gripping Icelandic thriller When a skeleton is discovered half-buried in a construction site outside of Reykjavík, Inspector Erlendur finds himself knee-deep in both a crime scene and an archeological dig. Bone by bone, the body is unearthed, and the brutalizing history of a family who lived near the building site comes to light along with it. Was the skeleton a man or a woman, a victim or a killer, and is this a simple case of murder or a long-concealed act