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Publisher's Summary

The Gray Man's search for missing intelligence agents plunges him deep into a maelstrom of trouble in the latest entry in the number-one New York Times best-selling 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.

©2021 Mark Greaney Books LLC (P)2020 Audible, Inc.

What listeners say about Relentless

Average Customer Ratings
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10/5 stars

Unbelievable series that I tell everyone about. The storyline is captivating, and realistic for the most part. Jay Snyder is a great reader as well and overall helps keep the emotion rolling. Would definitely read these 5 times over. Bravo.

1 person found this helpful

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The Best !

I can't get enough ! And please keep Zoya and Zack in the story omg !!

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    5 out of 5 stars

Stop everything you're doing!

Whenever I'm not listening to this, I'm imagining what could possibly happen next. Phenomenal, engaging and another perfect novel for the Gray Man connection. One day it will end and I'll lose an important piece of excitement in my life.

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Sooooo good

I love, love, love these books. Please, I want some more. The characters are brilliant. I love the fact that 6, although always being the hero you get the see his human side, and that he doesn’t do it all on his own.

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love the grey man

cant wait for the next grey man novel. starting over from the first one again

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More Gray please!

I know the author has a life and other books to write... but I need more of The Gray Man. He is a real hero! Also, keep this same narrator, his voice is amazing. More please.

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Most intriguing Grayman book to date!

I have read all the Gray man books and this is the most intriguing one of all. Mark Greaney really outdid himself, and also leaves you wanting the next book immediately. I'm already anticipating the next book!

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  • shelley
  • 2021-02-17

Action Packed Thriller!!!!

The title is very fitting for the tenth Gray Man book. In this book the Poison Apple team of Court, Zack and Zoya are split up. Court is recovering from an infected wound, Zack has been imprisoned after being identified with facial recognition brought to Venezuela by a rogue CIA employee. Zoya is sent undercover to Berlin where she is identified by Russians wha have a kill order on her. I’m sure you can guess that Matt Handley will not allow Court to completely recover before calling him into service to complete Zack’s mission which he does. He does and then without permission he too heads off for Berlin to make sure Zoya is safe. Of course she’s in trouble and Court makes a last minute rescue.
Pay attention because there is more than one group of bad guys out there and they each have their own agenda which seems to involve killing at least one of the team.
This book is so packed with globe trotting action. It surely is RELENTLESS !!!!
Jay Snyder’s narration is first class.
This book has my HIGHEST RECOMMENDATION.
If you found this review helpful please indicate so.
Thank You.

115 people found this helpful

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  • Wayne
  • 2021-03-12

Superb espionage thriller!!

Author Mark Greaney continues to impress as likely the best espionage thriller author currently living. Rather than write a review of RELENTLESS I'll simply refer the reader to the outstanding February 17, 2021 review by Shelley. Shelley is far and away the best reviewer of the mystery/thriller genre here on Audible. I've never met or communicated with her but I have listened to many books she recommended in her reviews and have never been disappointed.

I'm back after 5 months of listening to no audio books and writing no reviews as I cared for my wife of 52 years. She died two weeks ago after a five month battle with a cancer that is 100% fatal. As I grieve for my wife and struggle to begin my life without her Audible books will be a part of it. Our family, as always, will be a much larger part. Meanwhile, I have an audiobook backlog of almost 100 titles.

63 people found this helpful

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  • Dtmurphy1
  • 2021-02-19

a ton of names

There were so many characters it was hard to keep track. It got confusing because a lot of the names were Middle Eastern Or Russian and when listening to a book you don't have the benefit of going back easily to find what character goes with what name

40 people found this helpful

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  • Townsend
  • 2021-02-19

Damn!

Damn! I finished it and now I have to wait who-knows-how-long for Book 11..

While not my favorite in the Gray Man series, this is a solid action-packed adventure. Lots of intrigue, the usual suspects plus plenty of new antagonists, with a good setup for future installments. Some nice progression in our hero’s character without changing the overall tone.

Excellent narration. I’m not particularly conversant with Russian, European, or Middle Eastern accents but I can say that I didn’t find any of them grating. Snyder’s reading conveys appropriate tension without overshadowing the story itself.

Damn again. Wish it could go on and on. I guess I’ll just have to go back to Book 1 and listen to them all over again!

36 people found this helpful

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  • Cricket
  • 2021-02-20

Absolutely love “The Gray Man” series.

I try and savor listening to my audible book but it is hard. With Jay Snyder as narrator, you can’t put the book down. He takes you along in vivid color with every word! He creates a movie in your head and you can’t stop listening until it’s finished. I am now left to wait for the next in the series. Jay makes the Gray Man come to life!

Thank you Mark Greaney for this excellent series and for continuing to select Jay Snyder as the narrator. An EXCELLENT combination!

22 people found this helpful

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  • chris
  • 2021-02-23

15 hours for 15 minutes disappointing

I don’t understand why proven writers with established characters feel the need to vomit words and gush for endless hours on non action details. But here we are. Love the gray man can’t say the same fir this yawner

19 people found this helpful

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  • Gary
  • 2021-02-20

Restarted This WAY TOO MANY times

What has happened to the story line of one of my favorite characters. OMG. Way too complex of a story and character names confuses the story even more. Ugg. Painful trying to get on the write path and understand this story.

17 people found this helpful

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  • Marine
  • 2021-02-17

Constant action; awesome thriller

A great book! Even better than imagined. From the beginning until time to stand still at the end. Run Court, run!

15 people found this helpful

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  • Michael in SC
  • 2021-02-20

Peak Gray Man

Greaney returns to form after probably the worst book (One Minute Out) in a brilliant series with one of his best yet. Loved really everything about Relentless and am already eager to find out what happens to Hanley, Zoya, Zack and Court.

13 people found this helpful

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  • TedeBear
  • 2021-02-26

ABSOLUTE WORST

I've listen to every Gray MAN book and this was ABSOLUTELY the WORST. First and foremost, the story was dumb as S***! It was totally unbelievable in fiction or non-fiction. More disappointing was the portrial of the Gray Man. Barely able to function throughout the story, he somehow is tasked to do the impossible and succeeds in an unconvincing ways.

Very little imagination in the story. If I had not been so stupid to think it would get better and listened to the whole book, I'd definitely want a refund. Those who rate this an overall rating of 4.8 are high are something and I want some!!!!!

12 people found this helpful