The Showstone - Glenn Cooper - Bog

Iraq, 1989. During an archaeological excavation Hiram Donovan uncovers a piece of meticulously knapped obsidian. Instinct tells him to hide it, so he sends it back to his wife in America, but days later Hiram is murdered. Decades later, his son Cal Donovan finds the parcel still unopened and sets out to discover the truth behind the mystical stone.