1000 Yards - Mark Dawson

1000 Yards is a novella in the John Milton Series. This book is free for the kindle.

John Milton is an assassin. John is a government sanctioned assassin, but his job is still killing people. When North Korea gets too ambitious with their cyber warfare efforts, John is sent to convince them to back off. John's very persuasive with a sniper rifle. Short but very good. Very highly recommended.