More like Formula for Crime

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The ShadowSeries
series342 books1931
Mystery & detective, set in early 20th century.
Start with The Living Shadow →
Grim Reaper mysteriesSeries
series5 books2009
Set in contemporary.
“After a bad car accident, Casey Maldonado hits the road and finds herself unable to shake an unwelcome companion: Death itself, which won't take her but won't leave her alone either.”
from the catalogue
Start with Embrace the Grim Reaper →
Dave RobicheauxSeries
series4 books1993
Dark in tone, set in late 20th century.
Start with In the Electric Mist with Confederate Dead →
The Burning CourtNovel
John Dickson Carrstandalone novel1937
Whodunit, about curses and witches.
“Today, it is hailed as Carr's best non-series novel.”
from the catalogue
Cahokia JazzNovel
Francis Spuffordstandalone novel2023
Alternate history, about political intrigue and race and racism, set in alternate earth.
No Good from a CorpseNovel
Leigh Brackettstandalone novel1944
Mystery & detective and noir, set in north america and big city.