

In Clark’s world, a mystic going by the name al-Jahiz was able to open the door between our world and what Clark refers to as the Kaf, the world of the djinn. The timelines split in the 1870s, when in our world Egypt was nominally independent but in practice dominated by the British and French: the proximate cause of this was Egypt’s vast indebtedness to those countries, partially due to the cost of the Suez Canal. There are many social innovations, as well, more on which below. The work depicts an alternate steampunk-esque Cairo of the 1910s, where the technical innovations are the work of the djinn or the result of their influence.

It was also nominated for the Hugo Award for Best Novel in 2022. Clark’s debut novel won the Nebula Award for Best Novel in 2021, and in 2022 won the Compton Crook Award for Best Novel and the Locus Award for Best First Novel.
