The Fisherman. The Fisherman Series, #1

Tom Lyth is a man of many parts; writer, adventurer and exiled American living in the UK. He is also a man of secrets: a ruthless covert intelligence operative known as The Fisherman. A master manipulator, a seasoned spy and lover. When one of the shining stars of The Fisherman's weapons technology intelligence network, codename Sailfish, is compromised, an extraction operation is ordered to bring him back in from the cold.
But there are other power players who want to get their hands on future weapons technology, and after Sailfish himself becomes a target for enemy assassins, only The Fisherman and his team of covert operators can protect him. From the Souks of North Africa to the streets of London, Berlin, Vienna and beyond, James Quinn, author of the Gorilla Grant spy novels, introduces a new hero to the world of future covert intelligence.