Ruthless Devotion by Kitty Thomas book cover
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Eerie Efficiency Book Profile

Ruthless Devotion

HEA Readable on its own: recorded 2025 Adult
About this book

Once upon a time a little boy gave a little girl a special valentine. But she rejected him because he was the weird kid. I was that little girl, and I shouldn't still be paying for that rejection, but I am. As time went on his fixation with me only grew stronger. He was always there in the shadows.Always watching.Always waiting. And now he's the powerful heir of a brutal crime syndicate. My father says I must marry him to save our family from destruction and maybe worse.When we were children Aidan said he would marry me someday, but I knew he couldn't if I said no. I was very wrong about that. My life as I know it is over, but my captivity to this ruthless man has just begun.

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Best for readers who like: Obsessive stalkers, forced marriage, Beauty-and-the-Beast dynamics, crime-family power
What do these ratings mean?

These are Eerie's editorial scores. Spice is scored out of 5; the other scores are out of 10. Higher intensity does not mean a better book. Romance Focus measures how central the relationship is to the story. Overall Recommendation is Eerie's recommendation for the book's intended readers.

Read the full rating methodology

Spice4/5
Darkness8/10
Obsession10/10
Psychological8/10
Violence7/10
Emotional Damage8/10
Trigger Intensity9/10
Romance Focus9/10

Bibliographic Sources

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Book at a Glance

Readable on its ownyes
PaceMedium
EndingHEA
WorldContemporary
SettingMafia / Criminal Underworld
RelationshipArranged / Forced Marriage • M/F
Obsession TypeRomantic Fixation • Stalking / Surveillance
SubgenreDark stalker mafia romance
MMC TypeObsessive / Possessive • Stalker
FMC TypeDefiant / Strong
Writing StyleDark / Intense
MMC PersonalityObsessive, stalker, powerful, morally gray, controlling
FMC PersonalityStrong, boundary-conscious, traumatized, resistant

Tropes & Themes

Trigger Warnings

These tags describe potentially sensitive material in the book and may not be a complete list. A missing warning does not confirm that the content is absent. HEA/HFN describes the romantic ending, not the absence of disturbing content. Check the author's current content notes before reading.

captivitycoercive controlforced marriageOrganized-crime violencestalkingtrauma

Eerie Take

Overall Recommendation9/10
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Intensity
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Readers
Spice
4/5
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Darkness
8/10
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Obsession
10/10
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Psychological Intensity
8/10
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Violence
7/10
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Emotional Damage
8/10
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Trigger Intensity
9/10
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Romance Focus
9/10
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