Outlaw's Oath Books in Order
Part ofNicole Fox Books in OrderSee the Outlaw's Oath books by Nicole Fox in order, with summaries, reading order notes, series background, and where to start.
Last updated: June 8, 2026
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Publication Order
3 books
Ciro’s Promise
by Nicole Fox
2018
Sofia runs to mob underboss Ciro for protection from her abusive ex, only to reveal a secret that changes both their lives. The promise in the title is not a small one.
Fury’s Promise
by Nicole Fox
2018
A loner biker with a brutal past falls hard for Gloria and then learns one reckless night has lasting consequences. The romance mixes MC danger with a strong pregnancy hook.
Pistol’s Promise
by Nicole Fox
2018
A protective biker who never planned on family gets pulled into a romance that turns personal fast. Expect danger, possession, and a promise that becomes impossible to break.
Series background & context
The Outlaw's Oath books are linked by title and tone more than by one tight continuing plot. These are older Nicole Fox romances built around dangerous men making fierce promises, then having to live with what those promises cost.
The line mixes biker and mafia energy. In one book the hero is a mob underboss, in another an MC member with a brutal past, and in each case the romance comes wrapped in threat, protection, and family stakes.
If you like the promise of a hard man becoming completely fixed on one woman and one future, this series delivers that feeling in a direct, fast-moving way.
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