Relentless - Mark Greaney


By Mark Greaney

  • Release Date: 2021-02-16
  • Genre: Mysteries & Thrillers
Score: 4.5
From 197 Ratings

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The Gray Man's search for missing intelligence agents plunges him deep into a maelstrom of trouble in the latest entry in the #1 New York Times bestselling series.

The first agent disappearance was a puzzle.

The second was a mystery.

The third was a conspiracy.

Intelligence operatives around the world are disappearing. When a missing American agent re-appears in Venezuela, Court Gentry, the Gray Man, is dispatched to bring him in, but a team of assassins has other ideas. Court escapes with his life and a vital piece of intelligence.

Meanwhile, CIA agent Zoya Zakharova is in Berlin. Her mission: to infiltrate a private intelligence firm with some alarming connections. The closer she gets to answers, the less likely she is to get out alive.

Court and Zoya are just two pieces on this international chessboard, and they're about to discover one undeniable truth—sometimes capturing a king requires sacrificing some pawns.


  • Fantastic thriller!

    By Dmetrey
    Couldn’t put the book down! Stayed up late and put off studying. Great read. Flows from one scene to the next with little to no hiccups. Action is superb but the psychological games are what makes the whole world come together.
  • Revenge

    By 44giarc
    The book is so complex you and 2 friends need to read it. Then meet and tell each other what you think happened.
  • Relentless

    By cg342
    Great book! Can’t wait for the next gray man book! Exciting and a page turner, hard to put down!
  • Relentless

    By amycubs7
    It’s good to see the Gray Man back in action. The book had several twists and turns, and the plot was a bit complicated. However, more than readable! And the will be another year until the next one comes out, and that is way too long to wait!