O'Malleys Books in Order
Part ofKatee Robert Books in OrderFollow the O'Malleys books by Katee Robert in order, with summaries, family background, and a clear path through the mafia romance saga.
Last updated: June 11, 2026
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O'Malleys books in publication order
6 books
The Marriage Contract
by Katee Robert
2015
Callie Sheridan and Teague O'Malley are pushed into an arranged marriage meant to stop a mob war. Their alliance starts as strategy, but attraction and family violence make the bargain dangerous.
An Indecent Proposal
by Katee Robert
2016
Cillian O'Malley is drowning in guilt when Olivia Rashidi sees more than the reckless heir. Their pull forces both sides of Boston's underworld to notice, and notice is never safe.
The Wedding Pact
by Katee Robert
2016
Carrigan O'Malley and James Halloran are bargaining chips in a deadly family feud. Their connection could be the one honest thing in a world built on leverage, revenge, and old blood.
Forbidden Promises
by Katee Robert
2017
Sloan O'Malley and Jude MacNamara should be enemies by birthright. Their forbidden alliance burns through old loyalties while Boston's crime families circle for advantage.
Undercover Attraction
by Katee Robert
2017
Aiden O'Malley needs Charlotte Finch to help take down a threat from inside the criminal world. Their fake arrangement has real heat, and every secret raises the stakes.
The Bastard's Bargain
by Katee Robert
2018
Dmitri Romanov has always been a dangerous enemy, but Keira O'Malley may be the one woman he cannot simply control. Their bargain mixes revenge, power, and unwanted tenderness.
O'Malleys books in chronological order
The Marriage Contract
by Katee Robert
2015O'Malleys, Book 1
The Wedding Pact
by Katee Robert
2016O'Malleys, Book 2
An Indecent Proposal
by Katee Robert
2016O'Malleys, Book 3
Forbidden Promises
by Katee Robert
2017O'Malleys, Book 4
Undercover Attraction
by Katee Robert
2017O'Malleys, Book 5
The Bastard's Bargain
by Katee Robert
2018O'Malleys, Book 6
Series background & context
The O'Malleys is Katee Robert's big organized-crime romance saga. It follows a powerful Boston family caught between loyalty, ambition, grief, and rival crime families. Love is never only love here. It is leverage, a risk, a weapon, and sometimes the one thing keeping a person human.
The series opens with The Marriage Contract, where Callie Sheridan and Teague O'Malley are pushed into an arranged marriage meant to calm a violent feud. Later books follow siblings, rivals, and enemies as each relationship exposes another fault line in the city.
Family is the trap.
Robert builds the series around arranged alliances, forbidden attraction, revenge, and the cost of inheriting a violent world. The romance is central, but the background conflict matters because every couple has to negotiate with history before they can build a future.
Read these in publication order. The couples stand on their own, but the family politics hit harder when you watch the consequences stack up.
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