Crucible, A Sigma Force Novel, HarperCollins, James Rollins,Historical crime and mysteries,Crime and / or mystery fiction, sigma force number 13;sixth extinction;seventh plague;action and adventure;amazonia;american demon;artifacts;audible;big type;black order;the blood gospel;blood infernal;innocent blood;bloodline;bone labyrinth;map of bones;crash and burn;the devil colony;painter crowe;demon crown;deep fathom;the doomsday key;excavation;eye of god;ghost ship;gray pierce;grayson pierce;war hawk;history;ice hunt;secrets we hunt;witch hunt;indiana jones;spanish inquisition;international thriller;james rollins books;the judas strain;the kill switch;larger print;the last oracle;medieval manuscript;military thriller;politics;political thriller;sandstorm;science thriller;scientific thriller;shades of truth;sigma series;subterranean;tracker;book of witches;sigma force;thriller;suspense;action;adventure,, Sigma Force, United States, en-UShttps://www.harpercollins.comsigma force number 13;sixth extinction;seventh plague;action and adventure;amazonia;american demon;artifacts;audible;big type;black order;the blood gospel;blood infernal;innocent blood;bloodline;bone labyrinth;map of bones;crash and burn;the devil colony;painter crowe;demon crown;deep fathom;the doomsday key;excavation;eye of god;ghost ship;gray pierce;grayson pierce;war hawk;history;ice hunt;secrets we hunt;witch hunt;indiana jones;spanish inquisition;international thriller;james rollins books;the judas strain;the kill switch;larger print;the last oracle;medieval manuscript;military thriller;politics;political thriller;sandstorm;science thriller;scientific thriller;shades of truth;sigma series;subterranean;tracker;book of witches;sigma force;thriller;suspense;action;adventure, [BLURB],[CITY],,books, ebooks, biblet, Book2look