Affiliate Disclosure: Links on this page may earn us a commission at no extra cost to you. Read our affiliate policy
DCI Castle Books in Order
Below you'll find the complete list of DCI Castle 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 DCI Castle series? Start with "The Trail" (2020) and follow publication order through all 5 books.
The complete DCI Castle reading order is listed below in publication sequence.
Publication Order
The Trail
2020
Cold Dawn
2022
Cold Summer
2023
Base Line
2024
To Serve, Protect, and Write
2022
Affiliate Disclosure
As an Amazon Associate, Reading Order Books earns from qualifying purchases. When you buy through links on our site, we may earn an affiliate commission at no additional cost to you. This helps us maintain the site and continue providing reading order guides. Read our full disclosure