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Agents of the Royal States Books in Order
Below you'll find the complete list of Agents of the Royal States 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 Agents of the Royal States series? Start with "The Vampire of Montana" (2023) and follow publication order through all 2 books.
The complete Agents of the Royal States reading order is listed below in publication sequence.
Publication Order
The Vampire of Montana
2023
Iron Unicorn
2024
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