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The Cthulhu Casebooks Books in Order
Below you'll find the complete list of The Cthulhu Casebooks books in publication order. This is generally the recommended reading order for the series.
Reading order verified: April 2026
Quick Answer
What order should I read the The Cthulhu Casebooks series? Start with "Sherlock Holmes and the Shadwell Shadows" (2016) and follow publication order through all 6 books.
The complete The Cthulhu Casebooks reading order is listed below in publication sequence.
Publication Order
Sherlock Holmes and the Shadwell Shadows
2016
Sherlock Holmes and the Miskatonic Monstrosities
2017
Sherlock Holmes and the Sussex Sea-Devils
2018
Sherlock Holmes and the Christmas Demon
2019
Sherlock Holmes and the Three Winter Terrors
2021
Sherlock Holmes and the Highgate Horrors
2023
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