Below is the complete list of Sadie Kincaid books in publication order. For each series, the chronological reading order is the same as the order of publication.
A Curse of Blood Books in Order
with L.J. Morrow
- Cursebound (2025)
(With L.J. Morrow)
Cursebound was published in 2025 and is listed as book #1 in the A Curse of Blood series. - Unbound (2026)
(With LJ Morrow)
Published in 2026, Unbound is listed as book #2 in the A Curse of Blood series.
Bound and Broken Books in Order
as K.C. Moore
- Bound and Shared (2021)
Bound and Shared was published in 2021 and is listed as book #1 in the Bound and Broken series. - Bound and Deceived (2022)
Published in 2022, Bound and Deceived is listed as book #2 in the Bound and Broken series. - Bound and Tamed (2022)
Bound and Tamed is a 2022 release and appears as book #3 in the Bound and Broken series. - Bound and Dominated (2022)
In the Bound and Broken series, Bound and Dominated is book #4 and was published in 2022.
Broken Bloodlines Books in Order
- Forged in Blood (2024)
Forged in Blood was published in 2024 and is listed as book #1 in the Broken Bloodlines series. - Promised in Blood (2024)
Published in 2024, Promised in Blood is listed as book #2 in the Broken Bloodlines series. - Born in Blood (2024)
Born in Blood is a 2024 release and appears as book #3 in the Broken Bloodlines series. - Bound in Blood (2025)
In the Broken Bloodlines series, Bound in Blood is book #4 and was published in 2025.
Chicago Ruthless Books in Order
- Dante (2023)
Dante was published in 2023 and is listed as book #1 in the Chicago Ruthless series. - Joey (2023)
Published in 2023, Joey is listed as book #2 in the Chicago Ruthless series. - Lorenzo (2023)
Lorenzo is a 2023 release and appears as book #3 in the Chicago Ruthless series. - Keres (2024)
In the Chicago Ruthless series, Keres is book #4 and was published in 2024.
Darkness Reborn: Broken Bloodlines Books in Order
- Lucien (2026)
Lucien was published in 2026 and is listed as book #1 in the Darkness Reborn: Broken Bloodlines series.
L.A. Ruthless Books in Order
- Fierce King / L.A. King (2021)
Fierce King / L.A. King was published in 2021 and is listed as book #1 in the L.A. Ruthless series. - Fierce Queen (2021)
Published in 2021, Fierce Queen is listed as book #2 in the L.A. Ruthless series. - Fierce Betrayal (2022)
Fierce Betrayal is a 2022 release and appears as book #3 in the L.A. Ruthless series. - Fierce Obsession (2022)
In the L.A. Ruthless series, Fierce Obsession is book #4 and was published in 2022.
London Ruthless Books in Order
- Dark Angel (2021)
Dark Angel was published in 2021 and is listed as book #1 in the London Ruthless series. - Fallen Angel (2021)
Published in 2021, Fallen Angel is listed as book #2 in the London Ruthless series. - Heart of a Devil (2025)
Heart of a Devil is a 2025 release and appears as book #3 in the London Ruthless series.
Manhattan Ruthless Books in Order
- Broken (2024)
Broken was published in 2024 and is listed as book #1 in the Manhattan Ruthless series. - Promise Me Forever (2025)
Published in 2025, Promise Me Forever is listed as book #2 in the Manhattan Ruthless series. - Rebound (2025)
Rebound is a 2025 release and appears as book #3 in the Manhattan Ruthless series. - Played (2025)
In the Manhattan Ruthless series, Played is book #4 and was published in 2025. - Made (2026)
Made was first published in 2026; within the Manhattan Ruthless series, it is listed as book #5.
New York Ruthless Books in Order
- Ryan Rule (2021)
Ryan Rule was published in 2021 and is listed as book #1 in the New York Ruthless series. - Ryan Redemption (2022)
Published in 2022, Ryan Redemption is listed as book #2 in the New York Ruthless series. - Ryan Retribution (2022)
Ryan Retribution is a 2022 release and appears as book #3 in the New York Ruthless series. - Ryan Reign (2022)
In the New York Ruthless series, Ryan Reign is book #4 and was published in 2022. - Ryan Renewed (2022)
Ryan Renewed was first published in 2022; within the New York Ruthless series, it is listed as book #5. - A Ryan Reckoning (2022)
A Ryan Reckoning was published in 2022 and is listed as book #6 in the New York Ruthless series. - A Ryan Rewind (2022)
Published in 2022, A Ryan Rewind is listed as book #7 in the New York Ruthless series. - A Ryan Halloween (2022)
A Ryan Halloween is a 2022 release and appears as book #8 in the New York Ruthless series. - A Ryan Christmas (2022)
In the New York Ruthless series, A Ryan Christmas is book #9 and was published in 2022. - A Ryan Restraint (2022)
A Ryan Restraint was first published in 2022; within the New York Ruthless series, it is listed as book #10. - A Ryan New Year (2022)
A Ryan New Year was published in 2022 and is listed as book #11 in the New York Ruthless series. - A Ryan Revelation (2023)
Published in 2023, A Ryan Revelation is listed as book #12 in the New York Ruthless series. - A Ryan Recon (2023)
A Ryan Recon is a 2023 release and appears as book #13 in the New York Ruthless series. - A Ryan Review (2023)
In the New York Ruthless series, A Ryan Review is book #14 and was published in 2023. - Another Ryan Christmas (2023)
Another Ryan Christmas was first published in 2023; within the New York Ruthless series, it is listed as book #15. - A Ryan Regret (2024)
A Ryan Regret was published in 2024 and is listed as book #16 in the New York Ruthless series.
Standalone Novels Books in Order
- The Perfect Fit (2023)
The Perfect Fit was published in 2023 and is listed as book #1 in the Standalone Novels series. - My First Mistake (2025)
Published in 2025, My First Mistake is listed as book #2 in the Standalone Novels series. - The Auction (2026)
The Auction is a 2026 release and appears as book #3 in the Standalone Novels series. - King of War (2026)
In the Standalone Novels series, King of War is book #4 and was published in 2026. - The Game (2026)
The Game was first published in 2026; within the Standalone Novels series, it is listed as book #5.
About Sadie Kincaid
Sadie Kincaid is a British romance author best known for dark, high-intensity love stories built around morally grey heroes, strong heroines, family power, danger, loyalty, and emotional obsession. Her books sit mainly in the dark romance, mafia romance, billionaire romance, and paranormal romance spaces, with a readership that follows her for dramatic stakes, possessive relationships, and fast-moving series worlds where romance is often tied to violence, revenge, secrets, and complicated family bonds.
Kincaid’s best-known work is the New York Ruthless series, beginning with Ryan Rule. The series follows Jessie Heaton and the powerful Ryan brothers, using a reverse-harem mafia setup to create a story built around protection, trauma, loyalty, and the blurred line between danger and devotion. The Ryan books became a major part of her popularity, especially among readers who enjoy dark romance with an ongoing relationship arc rather than a completely new couple in every installment. Titles such as Ryan Redemption, Ryan Retribution, and Ryan Reign helped turn the series into one of the central pillars of her bibliography.
From there, Kincaid expanded the Ruthless world through connected mafia series set in other cities. Chicago Ruthless begins with Dante and moves into another powerful criminal family environment, while L.A. Ruthless, London Ruthless, Manhattan Ruthless, and later related series continue developing the kind of interconnected romance universe her readers expect. These books are usually best understood through their series groupings, because family links, criminal alliances, rivalries, and shared power structures often give the stories more context than the individual titles alone.
Kincaid’s fiction is not limited to mafia romance. The Perfect Fit became one of her most widely recognized standalone titles, showing her ability to write outside a strictly organized-crime framework while still keeping the intensity, emotional pressure, and unconventional relationship dynamics that define her brand. She has also written paranormal romance, including the Broken Bloodlines books, where supernatural elements, bloodline conflict, and darker romantic tension take the place of mafia-family politics.
Her author identity is closely tied to bold character dynamics. Kincaid often writes heroines who are wounded, defiant, or underestimated, then places them opposite men who are dangerous, powerful, and emotionally difficult but fiercely devoted once they commit. The attraction in her books is usually not gentle or understated; it is heightened by risk, secrecy, wealth, violence, and the pressure of living in worlds where love can become both a weakness and a weapon. That makes her work more suitable for readers who already know they enjoy darker romance tropes rather than soft contemporary romance.
In 2026, Kincaid also moved further into traditional publishing with The Auction, the opening book in the Wages of Sin series. That development marked a broader stage in her career, bringing the kind of dark, dramatic romance associated with her independent publishing success into a wider print-market space. The book’s Beauty and the Beast-influenced mafia premise fits naturally with her established strengths: danger, isolation, power imbalance, emotional damage, and a heroine forced to navigate a world that is both threatening and magnetic.
Sadie Kincaid’s bibliography is best understood as a set of connected dark-romance worlds rather than a simple list of unrelated love stories. Her strongest appeal lies in intensity: high-stakes relationships, powerful families, morally complicated men, resilient women, and plots where romance develops under pressure rather than in safety. For readers following her books in order, the key is usually to keep each series together, especially the Ruthless titles, because Kincaid’s worlds often gain their force from family ties, recurring power structures, and emotional consequences that carry from one book to the next.