More like Five Ivory Boxes

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The ShadowSeries
series342 books1931
Mystery & detective, set in early 20th century.
Start with The Living Shadow →
Robert LangdonSeries
series6 books2000
About faith and religion, set in contemporary and europe.
“The Robert Langdon novel series is named after Robert Langdon, the protagonist of the novels by American author Dan Brown.”
from the catalogue
Start with Angels & Demons →
The Curse WorkersSeries
series3 books2010
Urban fantasy and fantasy, set in contemporary.
“Holly Black's Curse Workers trilogy is set in an alternate America where 'curse work' — magic that harms or transforms through touch — is illegal, enforced through gloves and Prohibition-era-style crime families.”
from the catalogue
Start with White Cat →
Daniel McEvoySeries
series2 books2011
Noir, set in contemporary.
Start with Plugged →
These Violet Delights UniverseSeries
series7 books2020
Historical fantasy, set in east asia.
Start with These Violent Delights →
Dave RobicheauxSeries
series4 books1993
Noir, dark in tone, set in late 20th century.
Start with In the Electric Mist with Confederate Dead →