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ⓘ About K.C. Constantine
K.C. Constantine is the pen name of writer Carl Constantine Kosak. An American writer of mystery novels, Carl is more familiarly known to his readers as K.C. Constantine, a name as mysterious as the thrillers he pens. Born in 1934 in McKees Rocks, Pennsylvania, K.C. Constantine is a very mysterious figure. Almost little to nothing is known about him, so you could say that he is as intriguing as the characters and complex mystery tales that get published, but perhaps even less likely to be spotted out and about in public. K.C. Constantine prefers to live a life that is largely anonymous. He does not appear in the limelight often and has given only a handful of interviews in his life, leading to very few photographs of him.
All Book Series by K.C. Constantine
Murderers' Row: Original Baseball Mysteries: Volume 1
Latest in the series · book 2 of 2 · published 2025
? Frequently Asked Questions
Who is K.C. Constantine?
K.C. Constantine is the pen name of writer Carl Constantine Kosak. An American writer of mystery novels, Carl is more familiarly known to his readers as K.C. Constantine, a name as mysterious as the thrillers he pens.
Which K.C. Constantine series should I start with?
The best place to start is the Rocksburg series, the earliest of K.C. Constantine's multi-book series: it opens with The Rocksburg Railroad Murders (1972) and runs to 18 books across 1972–2024, ending with Another Day's Pain (2024).
How many books has K.C. Constantine written?
K.C. Constantine has 20 books catalogued in this guide, published between 1972 and 2025. 18 of them belong to 1 named series — the largest being the Rocksburg series with 18 books — and 2 are standalone titles, collections or anthologies.
In what order should K.C. Constantine's series be read?
Read each series in publication order — the numbered entries in each series follow the year each book first appeared. K.C. Constantine's series do not depend on one another, so they can be started in any order; by start date they are Rocksburg (1972–2024, 18 books).
How are K.C. Constantine's books organised into series?
This guide splits K.C. Constantine's 20 books into 1 named series and 2 titles that stand alone or appear only in collections: Rocksburg (18 books, 1972–2024).