- Unicorn Adventures
- Unicorn and the Rainbow Poop
- Unicorn and the Rainbow Poop Save Christmas
- Unicorn and the Rainbow Snow: a super sparkly rainbow poop adventure
- Unicorn Blood and Dragon Snot
- Unicorn Bowling
- Unicorn Crossing
- Unicorn Day
- Unicorn Dreams
- Unicorn Famous
- Unicorn Glitter Crown
- Unicorn Keep
- Unicorn Magic
- Unicorn Night
- Unicorn of Many Hats
- Unicorn on a Roll
- Unicorn Playlist
- Unicorn Princesses 10: The Wing Spell
- Unicorn Princesses 1: Sunbeam's Shine
- Unicorn Princesses 2: Flash's Dash
- Unicorn Princesses 3: Bloom's Ball
- Unicorn Princesses 4: Prism's Paint
- Unicorn Princesses 5: Breeze's Blast
- Unicorn Princesses 6: Moon's Dance
- Unicorn Princesses 7: Firefly's Glow
- Unicorn Princesses 8: Feather's Flight
- Unicorn Princesses 9: The Moonbeams
- Unicorn Riding Camp
- Unicorn Rose's Gems
- Unicorn Sparkles' Gem
- Unicorn the Magical Jet Ski: "Saving the Pirates"
- Unicorn the Magical Jet Ski: “Lets Find Rex”!
- Unicorn Uncovered
- Unicorn Uproar
- Unicorn vs. Goblins
- Unicorn Wings
- Unicorn, Don't Do That!
- Unicornio y Yeti 3: Amigos geniales (Friends Rock)
- Unicornio y Yeti 4: Alégrate (Cheer Up)
- Unicorns 101
- Unicorns and Germs
- Unicorns Are Real!
- Unicorns Come At Night
- Unidad Lupita
- Unidad Lupita
- Unikornis Goes To Paris
- Union J
- Unique
- Unique Animals
- Unique Fish and Facts
- Unique Unicorn
- Uniquely Wired: A Story about Autism and Its Gifts
- United States Geography
- United to Strike
- Unity in Diversity
- Unité dans la Diversité
- Universal Baby Income
- Universal Kindness! (DC Super Heroes: Wonder Woman)
- Universal Monsters Little Golden Book (Funko Pop!)
- Universe-ity
- Universet - Lyt&læs
- Universet, Rød Fagklub
- Universets helte 1 - Den sidste dreng på jorden
- Universets helte 2 - Omnis Alpha
- Universets helte 3 - Den evige smertes tinde
- Universets helte 4 - Det stærkeste våben
- Universo Espiritual
- Universo Paralelo
- Unknown story by RUDOLPH
- Unleashed (Swindle #7)
- Unlikely Companions
- Unlikely Friends
- Unlock the Mystery
- Unlock Your Imagination
- Unlocked Book 8.5
- Unlocking the Truth
- Unlucky Charms
- Unmasking the Science of Superpowers!
- Unn
- Unn och grottorna
- Unnatural Selections
- Unnatural Selections Read-Along (Enhanced Edition)
- Unnaturals: The Battle Begins
- Unnützes Wissen für Kinder
- Uno
- Uno de esos días
- Uno sbaglio di lupo
- Uno skate per due
- Uno, dos, abrocho mi zapato
- Unofficial Minecraft Life Hacks Lab for Kids
- Unofficial Minecraft STEM Lab for Kids
- Unplugged
- UnpOppable
- Unraveling Rose
- Unscramble Words For Fun And Knowledge
- Unseen Magic
- Unser Baby kommt zu Hause! Das Kindersachbuch zum Thema Schwangerschaft, Hebamme und Hausgeburt
- Unser Ben hat Krampfanfälle
- Unser Dorf - Frühling
- Unser Garten blüht
- Unser kleiner Bauernhof
- Unser kleiner Esel Jan
- Unser kleiner Julius
- Unser Kunterboot - Das Ding mit der Faulen Paula
- Unser Kunterboot - Ein Herz für Holliwutt
- Unser Kunterboot - Sommer der Geheimnisse
- Unser Vater
- Unser verblüffender Planet Erde
- Unser Weg ins Weltall
- Unser Wildschwein Miss Piggy
- Unsere Bank
- Unsere Frau Fee – Feenstaub im Klassenzimmer
- Unsere Frau Fee – Zauberpost für Lilly
- Unsere kleine Schwester Nina - Das Kindersachbuch zum Thema Stillen, Zahnen, Beikost und Babys erste...
- Unsere Vorwerker
- Unsere Zukunft ist jetzt
- Unsettled Things
- Unsichtbar im hellen Licht
- Unsichtbare Bände
- Unsichtbare Bände - Die beliebtesten Kindergeschichten
- Unsolved Case Files: Escape at 10,000 Feet
- Unsolved Case Files: Jailbreak at Alcatraz
- Unsolved! History's Mysteries
- Unsolved! Mysterious Events
- Unspeakable
- Unstinky
- Unstoppable
- Unstoppable Me
- Unstoppable Octobia May
- Unstoppable Zee