- *Hunt for the Enemy: A gripping international suspense thriller (The Enemy Series) (Deal, Not Free) by Rob Sinclair. Price: $0.99. Genre: Espionage Thriller Deal, Sponsor, International Thriller, Literary Fiction, Contemporary Fiction. Rated: 4.6 stars on 19 Reviews. 338 pages. ASIN: B01B744EV8. Reviewers love it: Sinclair blew all of my expectations out of the water with this book! Buckle up your seat-belt because you are in for a thrill ride! Breathtaking! I told myself, “one more chapter” only to be caught up in the story and another hour passed by! This book would appeal to any adventure fans and can be read as a standalone or as a part of a series.