Relentless

"Mark Greaney knows how to bring it, and he brings it big time in Relentless...[it] resembles a Hollywood action mash-up in all the right ways...Greaney blends the brawn of Brad Thor with the brains of Daniel Silva, crafting a thriller extraordinaire that readers will devour, not just read." The Providence Journal

Vivid action scenes this is still a must for espionage thriller fans. Publishers Weekly

Never has an assassin been rendered so real yet so deadly. Strikes with the impact of a bullet to the chest not to be missed. James Rollins, New York Times bestselling author

Hard, fast, and unflinching exactly what a thriller should be. Lee Child, #1 New York Times bestselling author

Writing as smooth as stainless steel and a hero as mean as razor wire The Gray Man glitters like a blade in an alley. David Stone, New York Times bestselling author

The latest in the Gray Man series continues to demonstrate why Greaney belongs in the upper echelon of special-ops thriller authors. Booklist (starred review)

The action is almost nonstop, with nice twists right to the end This is good, Clancy-esque entertainment. Kirkus Reviews

Mark Greaney continues his dominant run. The Real Book Spy

Mark Greaney is truly a master of his genre." Manhattan Book Review