The Blood and Ash series spins off into the Flesh and Fire series, and the two stories are interconnected.  Find suggested reading order here.

 

From Blood and Ash (#1)
Review
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A Kingdom of Flesh and Fire (#2)
Review
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The Crown of Gilded Bones (#3)
Review
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The War of Two Queens (#4)
Review
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A Soul of Ash and Blood (#5) (Cas POV)
Review
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Visions of Flesh and Blood: A Blood and Ash / Flesh and Fire Compendium Novel (#5.5)
Series bible
Review
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The Primal of Blood and Bone (#6)
To be released 10 June 2025

Untitled (#7)
To be released