The Ninth Stone

Eight ancient gemstones and a dead father's secret obsession are all that stand between Ben Carrick and the most dangerous treasure hunt in Scottish history. When a wealthy antiquities dealer makes an offer too generous to refuse—and too suspicious to trust—Ben and his sister Maren must race from a remote Norwegian monastery to the black-market underworld of Copenhagen, chasing the one missing artifact that could unlock a Pictish mystery buried for fifteen centuries. But what the stones reveal may be far more terrifying than any treasure.