“A high-tech, mile-a-minute, lone-guy-against-the-world masterpiece.” — Lee Child, New York Times bestselling author of the Jack Reacher series
“A blockbuster event. The Doomsday Equation blew me away.” — James Rollins, New York Times bestselling author of The Sixth Extinction
“The strong setup and sharp elbows of ‘The Doomsday Equation’ prove that Richtel has the potential to write a blockbuster.” — New York Times Book Review
“Richtel’s journalistic background makes this nightmarish, incredible scenario, chillingly believable and scary as hell.” — New York Times bestselling author Linwood Barclay
“Tantalizing. ... Engrossing. ... [A] race-against-the-clock suspense novel.” — Publishers Weekly
“An adventure-filled race against time.” — Booklist
“The Doomsday Equation is a first-rate thriller sure to keep readers mesmerized all the way to the last page.” — Oklahoma City Oklahoman
“A race against time worthy of a Hollywood blockbuster.” — Winnipeg Free Press
“One of our best thriller writers.” — Connecticut Post
“Fast paced but well-plotted, cerebral, yet exciting, Matt Richtel’s latest is the perfect antidote for those who miss the works of the late great Michael Crichton.” — Mystery Scene
“A page-turner.” — Marin Independent Journal
