PREVIOUS BOOK IN SERIES: DIABLO MESA, ISBN 9781538736753. In this fourth entry of the 'Nora Kelly' series, FBI Agent Corrie Swanson teams up with archaeologist Nora Kelly to investigate what really happened to eight mountaineers that disappeared 15 years ago - and to find the ninth victim. But their search awakens a long-slumbering evil determined to prevent the final missing corpse from ever coming to light.