More like Five Fatal Words

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MuckerSeries
series4 books1921
Adventure.
“Edgar Rice Burroughs' Mucker novels follow their tough antihero across two linked magazine serials from 1914–1916 that were combined into the 1921 novel The Mucker.”
from the catalogue
Start with The Mucker →
Finders Keepers (Stephen King)Series
series7 books2014
About murder investigation, set in contemporary.
“The mix of true-crime procedural instincts and creeping horror is a hallmark of King's later work with the character.”
from the catalogue
Start with Mr. Mercedes →
The Jackpot TrilogySeries
series2 books2014
Science fiction, mysterious in tone, set in near future.
“Gibson's 2020 book Agency is set in the same world.”
from the catalogue
Start with The Peripheral →
Fu Manchu UniverseSeries
series24 books1913
Set in early 20th century.
Start with The Mystery of Dr. Fu-Manchu →
Charlie ParkerSeries
series22 books1999
Dark in tone, about murder investigation, set in contemporary.
“Now well over twenty books, the series has grown Parker's two associates, Louis and Angel, into major recurring characters.”
from the catalogue
Start with Every Dead Thing →
The ShadowSeries
series342 books1931
Mystery & detective, set in early 20th century.
Start with The Living Shadow →