New York Times bestselling author Seanan McGuire takes us back to the world of the award-winning Alchemical Journeys series in this action-packed follow-up to Middlegame and Seasonal Fears.

Every night, a Moon shines down on the Impossible City.

All across the world, people look up at the moon and dream of gods. Gods of knowledge and wisdom, gods of tides and longevity. Over time, some of these moon gods incarnated into the human world alongside the other manifest natural concepts. Their job is to cross the sky above the Impossible City—the heart of all creation—to keep it connected to reality.

And someone is killing them.

There are so many of them that it's easy for a few disappearances to slip through the cracks. But they aren't limitless.

In the name of the moon, the lunar divinities must uncover the roots of the plot and thwart the true goal of those behind these attacks—control of the Impossible City itself.

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