"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
