28 books in series

Lords of the Underworld

Lords of the Underworld is a 28-book series with 28 primary works first released in 2008 with contributions by Gena Showalter, Maggie Shayne, and Susan Krinard.

The Darkest Fire
The Darkest Night
Cover 8

The Darkest Night 2

The Darkest Kiss
The Darkest Pleasure
The Darkest Prison
Demon's Love
Heart of Darkness
The Darkest Passion
The Darkest Lie
Cover 6

Demon's Secret

Cover 3

Demon's Game

The Darkest Seduction (Lords of the Underworld #9)
Wicked Nights (Angels of the Dark, #1, Lords of the Underworld #9.25)
Beauty Awakened
The Darkest Craving
Burning Dawn
The Darkest Touch
The Darkest Torment
The Darkest Promise
The Darkest Warrior
The Darkest Captive
The Darkest Assassin
The Darkest King
The Warlord
The Darkest Destiny
The Immortal
The Phantom