The Dog and the Wolf
Ys has fallen, murdered by her god in an act of senile vengeance. Now Gratillonius, once King of Ys, must strive to save a remnant of his people from utter destruction – then use them to rescue civilization itself, as the light that once was Rome flickers out and barbarian night descends upon the world. In the process, he will give rise to a legend that will ring down the corridors of time...
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Poul Anderson
Poul Anderson's name is synonymous with the golden age of science fiction, a master of speculative worlds where the future is as vast and varied as the past. Born in 1926 in the United States, Anderson's journey as an author was shaped by his fascination with history, science, and the unknown. A child of the Great Depression, he was drawn to stories that stretched the boundaries of possibility, whether set in the stars or rooted in the depths of myth. Over the course of his career, Anderson built a reputation for crafting intricate narratives that blend hard science fiction with the richness of historical and fantasy elements, making him one of the genre's most respected voices.
The King of Ys
The King of Ys is a historical fantasy – it is set in our world just before the fall of the Roman Empire and it mixes in the legend of the mythical city of Ys which was built below sea level on the coast of Brittany. Many of the characters in The King of Ys (Roman emperors, Christian saints, etc) are based on legendary and real historical figures.
The King of Ys consists of four primary books, and includes one additional book that complement the series but is not considered mandatory reads. The current recommended reading order for the series is provided below.

