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Cold Case Quartet Books in Order
Below you'll find the complete list of Cold Case Quartet books in publication order. This is generally the recommended reading order for the series.
Reading order verified: March 2026
Quick Answer
What order should I read the Cold Case Quartet series? Start with "The Katharina Code" (2017) and follow publication order through all 4 books.
The complete Cold Case Quartet reading order is listed below in publication sequence.
Publication Order
The Katharina Code
2017
The Cabin
2018
The Inner Darkness
2019
A Question of Guilt
2020
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