Mark Greaney

American novelist · United States · On the map · Writers · Born 1967 · age 59

Mark Greaney is an American author. He is known for his Gray Man series of action thriller novels, which feature assassin and CIA operative Court Gentry. Greaney is also known for co-authoring Tom Clancy’s final works and for continuing the Ryanverse after his death in 2013 and until 2017.

Mark Greaney is read about 172 times a day, in 6 languages.

A typical day, 30 days to 10 October 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 120 days, one point a day.

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