The Downing Street Plot - an intriguing assassination thriller by Toby Oliver

The Downing Street Plot - an intriguing assassination thriller book promotion sites Toby Oliver
https://www.amazon.com/Downing-Street-Plot-Agents-Revenge-ebook/dp/B018ZKTUV6

Britain's Prime Minister has a target on his back—a KGB assassin, it's up the the head of the British Security Service and top CIA again, Jack Stein to stop him. The threat’s coming from the inside, a disillusioned former British Intelligence officer, who is as deadly as he is elusive, and hell-bent on firing the shot which would be heard around the world!