Through Darkest Europe is an alternate history novel by Harry Turtledove, (Tor, September 18, 2018). It was originally announced under the working title of God Wills It!. The novel is set in the present in a world where ChristianEurope remained a backwater of religious fanaticism, but the Muslim world of the Middle East and North Africa became the progressive and developed "First World".
The bulk of the novel is set in the Grand Duchy of Italy, where two special investigators from the Republican Sultanate of the Maghrib have been summoned to help root out and suppress the Aquinist terrorist branch, who seek to return Europe to a medieval way of thinking and remove all outside influence.
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