Relentless - Mark Greaney


By Mark Greaney

  • Release Date: 2021-02-16
  • Genre: Mysteries & Thrillers
Score: 4.5
From 516 Ratings


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.


  • Relentless

    By Stupid Loser
    This was a great read, with a twist in the tale that catches you off guard!
  • Excellent read

    By Tpr2
    The gray man is always an excellent book to read. The book keeps you on edge and its never a dull moment with the gray man. The only problem I have is that it’s a shame that the agency that created him treats him like crap. You would think they would appreciate him more for what he has done or doing for his country. I wish the writer would convey that more.
  • 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!



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