James Rollins (nee James Czajkowski) was born in Chicago, Illinois on August 20, 1961. He received a doctorate in veterinary medicine from the University of Missouri in 1985. After graduation, he started his veterinary practice in Sacramento, California. His first novel, Subterranean, was published in 1999. His other works include the Sigma Force series, the Jake Ransom series, and Indiana Jones and the Kingdom of the Crystal Skull. He also writes the Banned and the Banished series and The Godslayer Chronicles under the name of James Clemens. James Rollins co-authors the new Tucker Wayne series with Grant Blackwood. The first book in the series, The Kill Switch, made the New York Times bestseller list in 2014. Rollins title, Bone Labyrinth, a story in the Sigma Force Novels Series, made the New York Times bestseller list in 2015. (Bowker Author Biography)

Grant Blackwood is a U.S. Navy veteran who spent three years on active duty aboard the guided missile frigate USS Ford. He was an operations specialist and pilot rescue swimmer. His first book, The End of Enemies, was published in 2001. He is the author of the Briggs Tanner Novels series. He writes a Fargo Adventure series with Clive Cussler and Tucker Wayne series with James Rollins. He also co-wrote some of the books in the Jack Ryan series and the Jack Ryan Jr. Novel series with Tom Clancy and continued them after his death. (Bowker Author Biography)