Secret of the Ruby

Centurion Adan Longinus strikes out for adventure once again in this third and final book of the Gemstone Trilogy. The family of his adopted brother, Nikolaus, met with traumatic and unexpected deaths, as revealed in Journey of the Pearl. A mysterious device known today as the Antikythera Mechanism weaves itself into the story as the Prophecy Box, which fuels many intrigues and subplots. Adan and ...