eBook EditionOperatives of the shadowy covert organization Sigma Force, Dr. Lisa Cummings and Monk Kokkalis search for answers to the bizarre affliction aboard a cruise liner transformed into a makeshift hospital. But a sudden and savage attack by terrorist hijackers turns the mercy ship into a floating bio-weapons lab.

*Includes an excerpt of The Bone Labyrinth: A Sigma Force Novel [Debut December 15th 2015]