country of citizenship:
United States of America
language of expression: English
occupation: novelist, writer
Mark Greaney (born 1967) is an American novelist, best known as Tom Clancy's collaborator on his final books (three novels), and for continuing the Jack Ryan character and the Tom Clancy universe following Clancy's death, from 2013 to 2016 (four novels). He is also known for the "Gray Man" series of novels.
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