There are 3 books in the Chronicles of Ghadid series. The newest book is The Unconquered City which came out in 2020.

The assassins of Ghadid serve a higher power, dispensing justice in the shadows. Or so Amastan has been taught.

Until, unexpectedly, Amastan finds the body of a very important drum chief. Until, impossibly, fellow assassins are being killed off. Until, inevitably, Amastan is ordered to solve these murders. Even worse,…
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Thana has a huge reputation to live up to as daughter of the Serpent, who rules over Ghadid's secret clan of assassins. Opportunity to prove herself arrives when Thana accepts her first contract on Heru, a dangerous foreign diplomat with the ability to bind a person's soul under his control.…

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The Unconquered City

Book cover of The Unconquered City

The final volume in K. A. Doore's critically-acclaimed assassin fantasy series, praised by Publishers Weekly as “a hit with fans of Sarah J. Maas and George R.R. Martin” (starred review)

Seven years have passed since the Siege―a time when the hungry dead had risen―but the memories still haunt Illi Basbowen.…