- Untergang der Juno
- Unterhalb des Horizonts
- Until Your Toes Curl Vol. 3: MMF Bisexual Romance Anthology
- Untimely Mysteries
- Untold Stories from the World of Myrrah
- Untold Stories: Snow White
- Untold Tales: Books 1-3
- Untold Tales: Books 4-6
- Untold Tales: The Complete Series
- Untouchable Girl
- Unusual Suspects
- Unveiled
- Unveiled Mysteries
- Unwritten Literature of Hawaii
- Unwritten Literature of Hawaii: The Sacred Songs of the Hula (Illustrated)
- Up from the Deep, Deep Dark
- Up in the Air
- Up in the Clouds
- Up on the Rooftop
- Updrift
- Uppståndelse
- Uppvaknandet
- Uppvaktningen och andra noveller
- Uppviglaren
- Ur minnet och cigarrettetuiet: verkliga och overkliga minnen
- Urbain Grandier