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: danger×
603 books match your taste
1 active filters

EERIEEFFICIENCYEEAlexby Sam CrescentCOVER COMING SOON

Alex

by Sam Crescent
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: Skulls
Dark / Brutal
Spice4/5
Darkness8/10
Obsession7/10
Romance8/10
dangerfound familyloyaltymotorcycle club
＋ Add to My Library
View Book
Alexei by Eva Winners book cover

Alexei

by Eva Winners
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: Belles & Mobsters
Dark / BrutalObsessive / Possessive
Spice4/5
Darkness8/10
Obsession8/10
Romance8/10
dangerenemies-to-lovers elementsforced proximityMafia romance
＋ Add to My Library
View Book
EERIEEFFICIENCYEEAlpha Wolfby Caroline Peckham; SusanneValentiCOVER COMING SOON

Alpha Wolf

by Caroline Peckham; Susanne Valenti
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: Darkmore Penitentiary
Dark / BrutalGothic / Atmospheric
Spice4/5
Darkness7/10
Obsession8/10
Romance8/10
dangerEnemies to loversfated matesmagic
＋ Add to My Library
View Book
EERIEEFFICIENCYEEAltered by Fireby Tate James; C.M. StunichCOVER COMING SOON

Altered by Fire

by Tate James; C.M. Stunich
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: Undercover Sinners
Dark / BrutalObsessive / Possessive
Spice4/5
Darkness8/10
Obsession8/10
Romance8/10
criminal underworlddangerenemies-to-lovers elementsforced proximity
＋ Add to My Library
View Book
EERIEEFFICIENCYEEAltered by Leadby Tate James; C.M. StunichCOVER COMING SOON

Altered by Lead

by Tate James; C.M. Stunich
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: Undercover Sinners
Dark / BrutalObsessive / Possessive
Spice4/5
Darkness8/10
Obsession8/10
Romance8/10
criminal underworlddangerenemies-to-lovers elementsforced proximity
＋ Add to My Library
View Book
Always Mine by Sam Crescent book cover

Always Mine

by Sam Crescent
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: Next Generation: The Skulls
Dark / Brutal
Spice4/5
Darkness8/10
Obsession7/10
Romance8/10
dangerfound familyloyaltymotorcycle club
＋ Add to My Library
View Book
EERIEEFFICIENCYEEAlways: Part Oneby Sam CrescentCOVER COMING SOON

Always: Part One

by Sam Crescent
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: Next Generation: The Skulls
Dark / Brutal
Spice4/5
Darkness8/10
Obsession7/10
Romance8/10
dangerfound familyloyaltymotorcycle club
＋ Add to My Library
View Book
Anarchy by Tate James book cover

Anarchy

by Tate James
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: Hades
Dark / BrutalObsessive / Possessive
Spice4/5
Darkness8/10
Obsession8/10
Romance8/10
criminal underworlddangerenemies-to-lovers elementsforced proximity
＋ Add to My Library
View Book
Angel of Death by S. Massery book cover

Angel of Death

by S. Massery
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: Broken Mercenaries
Dark / BrutalObsessive / Possessive
Spice4/5
Darkness8/10
Obsession8/10
Romance8/10
criminal underworlddangerenemies-to-lovers elementsforced proximity
＋ Add to My Library
View Book
EERIEEFFICIENCYEEAnother Ryan Christmasby Sadie KincaidCOVER COMING SOON

Another Ryan Christmas

by Sadie Kincaid
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: New York Ruthless Novellas
Dark / BrutalObsessive / Possessive
Spice4/5
Darkness8/10
Obsession8/10
Romance8/10
dangerenemies-to-lovers elementsforced proximityMafia romance
＋ Add to My Library
View Book
EERIEEFFICIENCYEEAssassin’s Wifeby Nikita SlaterCOVER COMING SOON

Assassin’s Wife

by Nikita Slater
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 Readable on its own: recorded
Dark / BrutalObsessive / Possessive
Spice4/5
Darkness8/10
Obsession9/10
Romance9/10
assassindangerdark romancemarriage
＋ Add to My Library
View Book
EERIEEFFICIENCYEEAurora’s Betrayalby K.A. KnightCOVER COMING SOON

Aurora’s Betrayal

by K.A. 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.
Series: Lost Coven
Dark / BrutalGothic / Atmospheric
Spice4/5
Darkness7/10
Obsession8/10
Romance8/10
dangerEnemies to loversfated matesmagic
＋ Add to My Library
View Book
Aurora’s Coven by K.A. Knight book cover

Aurora’s Coven

by K.A. 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.
Series: Lost Coven
Dark / BrutalGothic / Atmospheric
Spice4/5
Darkness7/10
Obsession8/10
Romance8/10
dangerEnemies to loversfated matesmagic
＋ Add to My Library
View Book
EERIEEFFICIENCYEEBad Kittyby Sam CrescentCOVER COMING SOON

Bad Kitty

by Sam Crescent
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: Dirty F**kers MC
Dark / Brutal
Spice4/5
Darkness8/10
Obsession7/10
Romance8/10
dangerfound familyloyaltymotorcycle club
＋ Add to My Library
View Book
EERIEEFFICIENCYEEBad to the Boneby Sam CrescentCOVER COMING SOON

Bad to the Bone

by Sam Crescent
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: Dirty F**kers MC
Dark / Brutal
Spice4/5
Darkness8/10
Obsession7/10
Romance8/10
dangerfound familyloyaltymotorcycle club
＋ Add to My Library
View Book
EERIEEFFICIENCYEEBakerby Sam CrescentCOVER COMING SOON

Baker

by Sam Crescent
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: Skulls
Dark / Brutal
Spice4/5
Darkness8/10
Obsession7/10
Romance8/10
dangerfound familyloyaltymotorcycle club
＋ Add to My Library
View Book
EERIEEFFICIENCYEEBeastby Sam Crescent; Jenika SnowCOVER COMING SOON

Beast

by Sam Crescent; Jenika Snow
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: Soldiers of Wrath: Grit Chapter
Dark / Brutal
Spice4/5
Darkness8/10
Obsession7/10
Romance8/10
dangerfound familyloyaltymotorcycle club
＋ Add to My Library
View Book
Beautiful Devils by Eva Ashwood book cover

Beautiful Devils

by Eva Ashwood
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 Wicked Psychos
Dark / BrutalObsessive / Possessive
Spice4/5
Darkness8/10
Obsession8/10
Romance8/10
criminal underworlddangerenemies-to-lovers elementsforced proximity
＋ Add to My Library
View Book
EERIEEFFICIENCYEEBeautiful Savageby Caroline Peckham; SusanneValentiCOVER COMING SOON

Beautiful Savage

by Caroline Peckham; Susanne Valenti
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: Boys of Sinners Bay
Dark / BrutalObsessive / Possessive
Spice4/5
Darkness8/10
Obsession8/10
Romance8/10
criminal underworlddangerenemies-to-lovers elementsforced proximity
＋ Add to My Library
View Book
Beautifully Cruel by J.T. Geissinger book cover

Beautifully Cruel

by J.T. Geissinger
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: Beautifully Cruel Readable on its own: recorded
Funny / Banter-HeavyObsessive / Possessive
Spice4/5
Darkness7/10
Obsession9/10
Romance9/10
age gapdangerforced proximityMafia romance
＋ Add to My Library
View Book
Bent, Not Broken by Sam Crescent; Jenika Snow book cover

Bent, Not Broken

by Sam Crescent; Jenika Snow
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: Soldiers of Wrath MC
Dark / Brutal
Spice4/5
Darkness8/10
Obsession7/10
Romance8/10
dangerfound familyloyaltymotorcycle club
＋ Add to My Library
View Book
EERIEEFFICIENCYEEBetrayalby Sam CrescentCOVER COMING SOON

Betrayal

by Sam Crescent
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: Trojans MC
Dark / Brutal
Spice4/5
Darkness8/10
Obsession7/10
Romance8/10
dangerfound familyloyaltymotorcycle club
＋ Add to My Library
View Book
EERIEEFFICIENCYEEBeyond the Veilby Caroline Peckham; SusanneValentiCOVER COMING SOON

Beyond the Veil

by Caroline Peckham; Susanne Valenti
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: Zodiac Academy
Dark / BrutalGothic / Atmospheric
Spice4/5
Darkness7/10
Obsession8/10
Romance8/10
dangerEnemies to loversfated matesmagic
＋ Add to My Library
View Book
Biker Next Door by Sam Crescent book cover

Biker Next Door

by Sam Crescent
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: Love Next Door
Dark / Brutal
Spice4/5
Darkness8/10
Obsession7/10
Romance8/10
dangerfound familyloyaltymotorcycle club
＋ Add to My Library
View Book
1234…26
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.