Callsign: King - Book I (A Jack Sigler - Chess Team Novella)
By Jeremy Robinson
Published: June 23, 2011.
The fabled Elephant Graveyard has been discovered. It contains enough ivory to make Ethiopia a wealthy nation. But the cave contains more than physical riches—it also holds the means to control the world. Fifteen scientists enter the cave. Only one leaves. Jack Sigler, Callsign: King (field leader of the covert, black ops Chess Team) is brought in to investigate.