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Capitol K-9 Unit Books in Order
Below you'll find the complete list of Capitol K-9 Unit 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 Capitol K-9 Unit series? Start with "Protection Detail (By: Shirlee McCoy)" (2015) and follow publication order through all 8 books.
The complete Capitol K-9 Unit reading order is listed below in publication sequence.
Publication Order
Protection Detail (By: Shirlee McCoy)
2015
Dangerous Justice
2015
Duty Bound Guardian
2015
Trail of Evidence (By: Lynette Eason)
2015
Security Breach (By: Margaret Daley)
2015
Detecting Danger (By: Valerie Hansen)
2015
Proof of Innocence (By: Lenora Worth)
2015
Capitol K-9 Unit Christmas (By: Shirlee McCoy)
2015
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