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Castle Federation Books in Order
Below you'll find the complete list of Castle Federation 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 Castle Federation series? Start with "Space Carrier Avalon" (2015) and follow publication order through all 8 books.
The complete Castle Federation reading order is listed below in publication sequence.
Publication Order
Space Carrier Avalon
2015
Stellar Fox
2016
Battle Group Avalon
2016
Q-Ship Chameleon
2016
Rimward Stars
2017
Operation Medusa
2017
A Question of Faith
2020
Admiral's Oath
2022
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