- Unexpected Heroines
- Unexpected Magic
- Unexpected Metamorphosis
- Unexpected Monsters
- Unexpected Old Friend
- Unexpected Outcomes
- Unexpected Peril
- Unexpected Promise (Between Worlds #5)
- Unexpected Pup
- Unexpected Rain
- Unexpected Superhero
- Unexpected Travels
- Unexpected Trip to Thyrgaryn
- Unexpected Warrior
- Unexpectedly Mated
- Unexplained
- Unexplained Phenomena Project
- Unexpressed Charm
- Unfair Magic
- Unfair Play
- Unfallen
- Unfamiliar Magic
- Unfettered
- Unfettered II
- Unfiction
- Unfinished Business: Book 2 Parts 1 & 2 The McKinnon Legends (A Time Travel Series)
- Unfinished Business: Tales of the Dark Fantastic
- Unfit Magazine: Vol. 1
- Unfixed Timelines
- Unfold
- Unforeseen
- Unforgettable Race for Powerful Love
- Unforgiven
- Unforgiven: A Tale of the Possessed
- Unforgiving and Cruel: A Tale of the Samurai of Hell
- Unforgotten
- Unforsaken
- Unfortunate Elements of My Anatomy
- Unfurl
- Ungavir
- Ungeahnte Welten - Das All Age Fantasy Paket Sommer 2017: Drei Romane - 700 Seiten
- Ungezähmt
- Ungezügelter Anspruch
- Ungezügelter Anspruch
- Ungiven Land
- Unglückskind
- Ungnade - Die Getreuen und die Gefallenen 4
- Ungodly: A Short Story
- Ungrateful Dead: An Ethan Banning File
- Ungrateful God
- Ungrateful Heir
- Unguarded
- Unhappily Ever After
- Unhappy Far-Off Things
- Unhasping the World Heart: An Erotic, Epic Fantasy Novella
- Unheard Love
- Unheard Of
- Unheil
- Unheilbringer
- Unheimlich Heimliches
- Unhinged
- Unholy
- Unholy Ghosts
- Unholy Magic
- Unholy Night
- Unholy Torment
- Unhonored
- Unicorn Luck
- Unicorn Magic
- Unicorn Mates
- Unicorn Precinct
- Unicorn Princess
- Unicorn Sacrifices
- Unicorn Seasons
- Unicorn Truth
- Unicorn Unleashed
- Unicorn Variations
- Unicorn Western
- Unicorn's Unease
- Unicorn: Journey Beyond Forever
- Unicornio Violento
- Unicorns & Other Monsters
- Unicorns I
- Unicorns II
- Unicorns of Balinor: By Fire, by Moonlight (Book Four)
- Unicorns of Balinor: Shadows Over Balinor (Book Eight)
- Unicorns' Opal
- Unida aos Guerreiros
- Unidentified Funny Objects
- Unidentified Funny Objects 2
- Unidentified Funny Objects 4
- Unidentified Funny Objects 5
- Unidentified Funny Objects 7
- Unidentified Funny Objects 8
- Unification
- Unification In 6066
- Unified Fields
- Uniform of a Man
- Unintended
- Unintended Guardian
- Union
- Union Forever
- Union of Fire
- Union of Renegades
- Unique Martial Sovereign
- Unisphere
- Unitary
- Unite and Conquer: A Royal Academy at Osyth Story
- United
- United As One
- United Souls
- United We Stand
- Unity of Elements
- Unity of Seven
- Unity: Book One of Ascension
- Unity: Krinics Series: Book 3
- Univaya
- Univers Parallèles - Faith
- Univers Tetralogie
- Universal Legacy - Tome 1
- Universal Mud
- Universe Launch
- Universe of Fear
- Universi
- Universi in guerra
- University Past Time
- Universo in scatola