​I just finished reading Comfort Zone: A Tale of Suspense by Stephen Bentley, former undercover British detective, now crime author. The book is different than Bentley’s previous novels. Comfort Zone is a thriller and a crime story, but not as fast-paced as The Steve Regan Undercover Cop Thrillers Trilogy or Mercy: A Detective Matt Deal Thriller. Comfort Zone is more complex. Phil Mercer is one of the most intriguing characters I’ve read about in a long time. Mercer is a British veteran who returns home from the war in Afghanistan and studies law, then becomes an attorney in London. He is also a murderer who is not completely evil even…