New release book review: THE SIXTH EXTINCTION (Sigma Force) by James Rollins

ScienceThrillers.com book review and giveaway of THE SIXTH EXTINCTION (a Sigma Force novel) by James Rollins. Scroll down to enter to win a hardcover of this hot new release! (extraordinary; top 10-15% of SciThri) Publication date:August 12, 2014 Category: science … Continue reading →