"Ignatiuss realistic peek into the inner workings of the CIA and its Chinese counterpart shows why hes at the top of the thriller pack." -- Publishers Weekly "The Quantum Spy is David Ignatius at the top of his game! A truly thrilling, superbly crafted spy novel that focuses on pivotal contemporary issuesthe competition to achieve quantum computing technology, the high stakes rivalry between the U.S. and China, and the conduct of spycraft in a digital age." -- General (Ret.) David Petraeus, former Director of the CIA, commander of the Surge in Iraq, and commander of coalition forces in Afghanistan "The story moves along well, weaving in the authors extensive research without slowing the pace. While the science gets geeky in spots, its still funand the complex intrigue will please thriller fans." -- Kirkus Reviews "Ignatiusdemonstrates again his superior storytelling skills. This engrossing tale of spy vs. counterspy rockets back and forth from Washington, DC, to CIA headquarters in Langley, VA, to Beijing. ... In this sly, fast-moving story, everyone is hiding something. Ignatiuss latest is up to his usual high standards and should appeal to all lovers of spy fiction." -- Library Journal "The Quantum Spy provides a thrilling window into the future world of high-tech espionage. David Ignatius may call it a novel, but for those of us who know the work of the intelligence community, this book is nothing less than a real-life insight into the ongoing battle for dominance in the digital world. The names may be fictitious, but what they are fighting about is very real!" -- Leon E. Panetta, former director of the CIA (20092011) and secretary of defense (20112013) "A work for now and forever. A contemporary adversary: China. A contemporary problem: quantum computing. And the ageless battle of spy versus spy. Couldnt put it down." -- Michael Hayden,Michael Hayden, former director of the CIA (20062009) and NSA (19992005) "Ive read many novels by David Ignatius and have loved them allbut The Quantum Spy takes us to a whole new level of intrigue and espionage. Its also unbelievably timely. In short: David Ignatius knows his stuff." -- Wolf Blitzer