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Colwin Grey Books in Order
Below you'll find the complete list of Colwin Grey 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 Colwin Grey series? Start with "The Threshold of Fear" (1925) and follow publication order through all 4 books.
The complete Colwin Grey reading order is listed below in publication sequence.
Publication Order
The Threshold of Fear
1925
Simon of Hangletree
1926
Greymarsh
1927
The Investigations of Colwin Grey
1932
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