The New York Times bestselling author of the Briggs Tanner series, (END OF ENEMIES, WALL OF NIGHT, and ECHO OF WAR) Grant Blackwood is also the co-author of the Fargo Adventure Series (SPARTAN GOLD, LOST EMPIRE, and THE KINGDOM) with Clive Cussler, as well as the co-author of the #1 NYT bestseller, DEAD OR ALIVE, with Tom Clancy, THE KILL SWITCH, with James Rollins.

A U. S. Navy veteran, Grant spent three years aboard a guided missile frigate as an Operations Specialist and a Pilot Rescue Swimmer.

Grant lives in Colorado, where he is working his own standalone series starring a new hero.