Eerie Efficiency
Eerie Efficiency

Browse Dark Romance Books

Search the library, set your intensity, and narrow the shelf without committing to a guided match.

Find a Book in One Tap Browse by Trope
Trope: betrayal×
Filter the library
66 books match your taste
1 active filters

The Chief by Monica McCarty book cover

The Chief

by Monica McCarty
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
HEA/HFN Series: Highland Guard
Spice4/5
Darkness8/10
Obsession7/10
Romance8/10
betrayalforced marriagesecret military unitvirgin heroine
＋ Add to My Library
View Book
The Cursed by Harper L. Woods book cover

The Cursed

by Harper L. Woods
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
HEA/HFN Series: Coven of Bones
Obsessive / Possessive
Spice5/5
Darkness8/10
Obsession9/10
Romance9/10
betrayaldark academiaEnemies to loversforced proximity
＋ Add to My Library
View Book
The Darkest Half by J.A. Redmerski book cover

The Darkest Half

by J.A. Redmerski
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
HEA/HFN Series: In the Company of Killers
Dark / Brutal
Spice3/5
Darkness9/10
Obsession8/10
Romance7/10
assassinsbetrayalcaptivity historycriminal organization
＋ Add to My Library
View Book
The Deception by Nikki Sloane book cover

The Deception

by Nikki Sloane
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
HEA/HFN Series: Filthy Rich Americans
Spice5/5
Darkness7/10
Obsession8/10
Romance10/10
betrayalbillionairedeceptionelite family
＋ Add to My Library
View Book
The Madman and His Broken Princess by Cora Reilly book cover

The Madman and His Broken Princess

by Cora Reilly
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
Series: Mafia Standalones Readable on its own: recorded
Obsessive / Possessive
Spice4/5
Darkness9/10
Obsession10/10
Romance9/10
betrayalChildhood friendsforced marriageMafia romance
＋ Add to My Library
View Book
The Obsession by Nikki Sloane book cover

The Obsession

by Nikki Sloane
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
Series: Filthy Rich Americans
Obsessive / Possessive
Spice5/5
Darkness7/10
Obsession8/10
Romance10/10
betrayalbillionaireelite familyengagement
＋ Add to My Library
View Book
EERIEEFFICIENCYEEThe Swan & the Jackalby J.A. RedmerskiCOVER COMING SOON

The Swan & the Jackal

by J.A. Redmerski
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
HEA/HFN Series: In the Company of Killers
Dark / Brutal
Spice3/5
Darkness9/10
Obsession8/10
Romance7/10
assassinsbetrayalcaptivity historycriminal organization
＋ Add to My Library
View Book
The Witch’s Heart by Genevieve Gornichec book cover

The Witch’s Heart

by Genevieve Gornichec
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
Readable on its own: recorded
Spice2/5
Darkness7/10
Obsession6/10
Romance7/10
Banished witchbetrayalLokimotherhood
＋ Add to My Library
View Book
EERIEEFFICIENCYEEThree Yearsby Lili St. GermainCOVER COMING SOON

Three Years

by Lili St. Germain
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
Series: Gypsy Brothers
Angsty / EmotionalDark / Brutal
Spice4/5
Darkness10/10
Obsession8/10
Romance7/10
betrayalbiker gangforbidden loveMC
＋ Add to My Library
View Book
Throne of Power by Rina Kent book cover

Throne of Power

by Rina Kent
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
Series: Throne Duet
Spice4/5
Darkness8/10
Obsession9/10
Romance9/10
betrayalEnemies to loversMafia romanceMarriage of convenience
＋ Add to My Library
View Book
Throne of Vengeance by Rina Kent book cover

Throne of Vengeance

by Rina Kent
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
HEA/HFN Series: Throne Duet
Spice4/5
Darkness9/10
Obsession9/10
Romance9/10
betrayalduet conclusionEnemies to loversMafia romance
＋ Add to My Library
View Book
EERIEEFFICIENCYEETo Be Red: TBRby Cari SilverwoodCOVER COMING SOON

To Be Red: TBR

by Cari Silverwood
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
KU HEA/HFN Series: CNC Fraternity Readable on its own: recorded
Dark / Brutal
Spice5/5
Darkness10/10
Obsession10/10
Romance9/10
betrayalCNCextreme darknessMFM
＋ Add to My Library
View Book
Tricked Into It by Miranda Grant book cover

Tricked Into It

by Miranda Grant
Field verification date: Not recorded yet
Series: War of the Myth
Darkness8/10
Obsession7/10
Romance7/10
betrayalEnemies to loversfated matesforced necromancy
＋ Add to My Library
View Book
Twisted Betrayal by Siobhan Davis book cover

Twisted Betrayal

by Siobhan Davis
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
Series: Rydeville Elite
Spice4/5
Darkness8/10
Obsession8/10
Romance9/10
arranged destinybetrayaldark high schoolelite families
＋ Add to My Library
View Book
EERIEEFFICIENCYEETwo Roadsby Lili St. GermainCOVER COMING SOON

Two Roads

by Lili St. Germain
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
Series: Gypsy Brothers
Angsty / EmotionalDark / Brutal
Spice4/5
Darkness10/10
Obsession8/10
Romance7/10
betrayalbiker gangforbidden loveMC
＋ Add to My Library
View Book
Unhinged by Natasha Knight book cover

Unhinged

by Natasha Knight
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
HEA/HFN Series: The Amado Brothers Readable on its own: recorded
Spice4/5
Darkness8/10
Obsession10/10
Romance10/10
betrayalmilitary/criminal dangerobsessive heroprotector
＋ Add to My Library
View Book
EERIEEFFICIENCYEEWhen We Fall: Part 1by K.G. ReussCOVER COMING SOON

When We Fall: Part 1

by K.G. Reuss
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
Series: Mayfair University
Spice5/5
Darkness9/10
Obsession9/10
Romance9/10
betrayalcollegeestablished groupgroup relationship
＋ Add to My Library
View Book
EERIEEFFICIENCYEEWhen We Fall: Part 2by K.G. ReussCOVER COMING SOON

When We Fall: Part 2

by K.G. Reuss
Field verification date: Not recorded yet
Last information check:
?An automated source lookup or an editor’s sourced check was recorded on this date. A lookup may have found no match. This does not mean all Eerie ratings, tropes, content warnings or Kindle Unlimited availability were reverified. Field verification is shown separately.
Series: Mayfair University
Angsty / Emotional
Spice5/5
Darkness9/10
Obsession9/10
Romance9/10
betrayalcollegeestablished groupgroup relationship
＋ Add to My Library
View Book
123
Help Eerie stay accurate

See something wrong?

Eerie ID

Reports enter a private editorial review queue. Nothing you submit changes a Book automatically.

Your dark romance companion

Keep Eerie on your home screen

Install Eerie Efficiency through your browser. Your existing account works here; you may need to sign in again in the app.

iPhone or iPad

  1. Open this site in Safari.
  2. Open the Share menu, then choose Add to Home Screen.
  3. If shown, leave Open as Web App enabled, then tap Add.

Android

Open this site in Chrome. Tap the browser menu, then Install app or Add to Home screen, if available.

Computer

In Chrome or Edge, look for the install icon near the address bar, or use the browser’s app installation menu. Options vary by browser.

If you opened Eerie inside Facebook, Instagram or another app, first open it in Safari or Chrome.

Books, searches, quizzes and your library need an internet connection. Your private reading information is not saved for offline viewing.