There are 3 books in the The Diabolist’s Library series. The newest book is Creatures of Charm and Hunger which came out in 2020.

1
Creatures of Will and Temper

Book cover of Creatures of Will and Temper
Victorian London is a place of fluid social roles, vibrant arts culture, fin-de-siecle wonders ... and dangerous underground diabolic cults. Fencer Evadne Gray cares for none of the former and knows nothing of the latter when she's sent to London to chaperone her younger sister, aspiring art critic Dorina. Unfortunately…
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2
Creatures of Want and Ruin

Book cover of Creatures of Want and Ruin
So desperate that when wealthy strangers ask her to procure libations for an extravagant party Ellie sells them everything she has, including some booze she acquired under unusual circumstances.

What Ellie doesn't know is that this booze is special. Distilled from foul mushrooms by a cult of diabolists, those who…

3
Creatures of Charm and Hunger

Book cover of Creatures of Charm and Hunger
The third standalone novel set in Molly Tanzer's magic-infused universe takes readers to World War II era England where two young women are studying witchcraft. Though once inseparable, competition, secrets, and wildly dangerous magic set them at odds and draw them to terrifying ends. In Northern England during World War…