The Joshua Effect by P.S. Meronek

The rooftop reception on the skyscraper in lower Manhattan is an elegant and festive affair right up until the moment the murders occur. With the lives of sixty-three of his friends and business associates snuffed out in one horrifying blink of an eye, the wealthy and enigmatic Jonathan Strickland boards a dangerous roller coaster ride of a lifetime in this clever, nail biting who-done-it. From a clandestine meeting in the foreboding Syrian desert, to a brazen gun battle among the rich and famous in the exotic streets of glamorous Miami Beach, and then onto the discovery of the secretive Catskills hideaway of a reclusive scientist in upstate New York, the thrilling ride never lets up. Strickland races against time to find the invisible killers who have even more horrific carnage in mind; they call their sinister plan the Joshua Effect.