- Dark-Side, les Séides d'Ashtart, Livre 3
- Dark: Dunkle Besessenheit
- DarkAge
- Darkahr und die wilde Horde
- Darkangel
- Darkanum
- Darkbeam Part I
- Darkbeam Part II
- Darkbeam Part III
- Darkbeam Part IV
- Darkbeam V: The Rubicon's Story
- Darkborn
- Darkcrystal
- Darkdawn
- Darken
- Darken My Heart
- Darken the Light
- Darkened Blade
- Darkened Wings Flutter
- Darkened: An Avery Tywella Novel
- Darkening Moons
- Darkening Ruins
- Darker
- Darker After Midnight (with bonus novella A Taste of Midnight)
- Darker Cravings
- Darker Edge of Desire
- Darker Matter - Book 1 Dakor's Darkness
- Darker Nights
- Darker Paths
- Darker Than Dark
- Darker Than You Think
- Darkess And The Purple Mist
- Darkest Designs
- Darkest Flame
- Darkest Flame: Part 1
- Darkest Flame: Part 2
- Darkest Flame: Part 3
- Darkest Flame: Part 4
- Darkest Grace of Midnight Shadows
- Darkest Heart
- Darkest Judgment
- Darkest Night
- Darkest Night Collection. Delcaos
- Darkest Nights -Awakening-
- Darkest Powers Tales
- Darkest Powers: Schattenstunde
- Darkest Powers: Seelennacht
- Darkest Prince
- Darkest Wish
- Darkeye (The Complete Collection)
- Darkfallen: Demonic Slime
- Darkfallen: Expanding Elena
- Darkfallen: Making Jacob
- Darkfallen: Taking Jacob
- Darkfever
- Darkfire Kiss
- Darkhaven
- Darkkaeon Argavis Reym
- Darkland Elf
- DARKLIGHT CHILDREN - Gemelli per Destino
- Darklight Detectives
- Darkling
- Darkling Drake
- Darkly Dreaming
- Darkmask
- Darkmoon
- Darkmoon (The Cain Chronicles, #5)
- Darkness
- Darkness Book II
- Darkness (The Brookehaven Vampires, Book 2)
- Darkness - Leuchtende Dunkelheit
- Darkness - The Complete Series
- Darkness and Good: Fantasy and Science Fiction Short Stories
- Darkness Arisen (Order of the Blade)
- Darkness Ascendant: Book Two of The Catmage Chronicles
- Darkness Awaits
- Darkness Ascendant: Book Two of The Catmage Chronicles
- Darkness Awaits
- Darkness Awakened (Order of the Blade)
- Darkness Awakened: Reimagined (Order of the Blade)
- Darkness Awakening
- Darkness Awakens
- Darkness Awakens (The Witchcraft Masters Series, #2)
- Darkness Beckons
- Darkness Binds
- Darkness Blooms
- Darkness Calling (Primani Series Book Five)
- Darkness Devouring (The Cry of Havoc, Book 2)
- Darkness Embraced
- Darkness Enthroned
- Darkness Entwined
- Darkness Exposed
- Darkness Exultant: Book Four of The Catmage Chronicles
- Darkness Fallen: Book Five of The Catmage Chronicles
- Darkness Falling
- Darkness Falls
- Darkness Falls - The Beginning
- Darkness Follows Dawn (Unfated, Book Three)
- Darkness Forged
- Darkness in Appalachia
- Darkness Looms
- Darkness Meets Light
- Darkness of Arkea
- Darkness of Day
- Darkness of Light
- Darkness Of Light (Darkness Series #1)
- Darkness of the Hunt
- Darkness on His Bones
- Darkness on the Nile
- Darkness Possessed (Order of the Blade)
- Darkness Reborn
- Darkness Reborn (Order of the Blade)
- Darkness Rising 1: Chained