Zero Zero: An Agent Zero Spy Thriller: Book 11- By Jack Mars

When Agent Zero visits his doctor in Switzerland, hoping to salvage his deteriorating health, he is met with a shocking surprise: another agent who has been given a memory implant, just like him. And, just like him, this agent has deadly skills—and a singular mission: to kill Agent Zero. Agent Zero has met his doppleganger, a darker version of himself. Who is he? Who does he work for? Who chipped him? What secrets does he hold about Zero’s past? And why does he want Zero dead? ZERO ZERO (Book #11) is an un-putdownable espionage thriller that will keep you turning pages late into the night.  Softcover/Very Good