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In this very well constructed alternate-history thriller, the year is 2017. Three hundred years ago, the Ottoman Empire steamrolled over Vienna (in our time line, the Ottoman invaders lost decisively) and then expanded to rule most of the world. Now, in a present-day Paris very different from our own, a dedicated police officer begins to suspect that dark secrets lie in the empire's past and that a powerful man might be capable of unspeakable atrocities. Richly detailed (the author's modern-day Ottoman Empire feels entirely real) and populated by characters who jump off the page, this is a believable, suspenseful, and altogether satisfying novel. Fans of Robert Harris' Fatherland or the alternate-history fiction of Harry Turtledove will very much enjoy this latest work from the reliable, talented Khoury, whose earlier novels include The Last Templar (2006) and Rasputin's Shadow (2013).--David Pitt Copyright 2019 Booklist

Publishers Weekly
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Alternate histories don’t get much better than this thought-provoking mind bender from Khoury (The Last Templar). In 1683, suicide bombers, armed with dynamite, kill themselves and the leaders of the army of Christendom before they can march on Vienna and defeat the Ottoman forces besieging the city. The anachronistic explosives are the result of an intricate scheme launched by Iraqi ISIS leader Ayman Rasheed in the present after he learns the secret of time travel from a museum director he interrogated. Eager to recreate a caliphate that would awe the world, Ayman researches key turning points in Islamic history before determining that ensuring the capture of Vienna would lead to the continued existence and dominance of the Ottoman Empire in the 21st century. By 2017, however, the regime has become repressive and faces a resistance movement. The bulk of the action occurs in Paris, where Kamal Arslan Agha, of the counterterrorism directorate of the sultan’s secret police, investigates a murder connected to Ayman. Meanwhile, Ayman’s anesthesiologist brother, Ramazan, ends up treating an ill Ayman and begins to uncover his patient’s secrets, which places him and his wife, an ally of the resistance, in peril. Superior and plausible worldbuilding matches an ingeniously imaginative conceit. This ranks as a classic of the genre. Agent: Mitch Hoffman, Aaron M. Priest Literary. (Oct.)

Kirkus
Copyright © Kirkus Reviews, used with permission.

The Western world turns upside down in this time-traveling alternate history by the author of The End Game (2016, etc.).A naked "mystery man" suddenly appears in the Muslim city of Paris. After murdering a man for his clothes, he winds up in the hospital. The year is 1438, or 2017 if you live in the exclusively Christian and white Christian Republic of America. He is Ayman Rasheed, a strange, tattooed patient who eventually begins to babble apparent nonsense to a Dr. Ramazan about traveling across three centuries from the time of the Ottomans' siege of Vienna. "None of you would be here if it wasn't for me," Rasheed insists. Meanwhile, Kamal and Taymoor are partners in the counterterrorism unit of the sultan's secret police and are honored to witness the public beheadings of terrorists they have caught. It's that kind of societythe erstwhile Notre Dame cathedral is now called Faith Mosque, Paris has minarets, its main language is Turkish, and freedom doesn't exist. This is all because Rasheed isn't the "delusional joker" Ramazan thinks he is. Rasheed had traveled to 1683 C.E., bushwhacked Christian generals, and paved the way for the Ottoman conquest of Europe. The bad news: Europe is "a murderous, barbaric state," and America looks no better. The good news: There weren't two world wars with tens of millions of deaths. Which outcome is better is a subject Kamal must mull. Rasheed used a special Palmyran incantation for his time travel, but still, "it's not so easy to travel three hundred years across time." When Kamal and friends find those magic words, they must decide whether to undo Rasheed's deed and allow history to take its natural course. It's no matter why the words workthey are a simple plot device to show the stench, misery, and horror of that great clash of civilizations that "would decide the fate of the world."This untypical thriller powerfully mixes history, culture, warfare, and imagination. Copyright Kirkus Reviews, used with permission.