- U is for Urchin
- Ulka, la chica de la era de hielo
- Ultimate Bug Rumble (Who Would Win?)
- Ultimate Dinosaur Rumble (Who Would Win?)
- Ultimate Jungle Rumble (Who Would Win?)
- Ultimate Kids Joke Book
- Ultimate Ocean Rumble (Who Would Win?)
- Ultimate Shark Rumble (Who Would Win?)
- Um Livro sobre Raças de Cachorro para Crianças: Eles são todos cachorros
- Uma Janela Aberta
- Un chien pour toujours
- Un día en el zoológico
- Un día en la profundidad
- Un Libro para Niños sobre el Lenguaje Corporal de los Perros
- Un mundo de soluciones
- Un ouistiti en danger
- Una Fiesta de Cumpleaños
- Una mano a la pata: Protegiendo los animales
- Una mariposa llamada Esperanza
- Una muy breve historia de casi todo
- Una osera para Bei Bei
- Una osera para Bei Bei : Read-along eBook
- Una Perrita Con Propósito
- UnBEElievables
- Uncle
- Uncle And His Detective
- Uncle And The Treacle Trouble
- Uncle Cleans Up
- Underwater Counting
- Underwater Dogs (Kids Edition)
- Underwater Odyssey: "Sick & Injured Marine Animals Tell Their Stories"
- Unicorn School: First Class Friends
- Unicorn School: Team Magic
- Unicorn School: The Pet Show
- Unicorn School: The School Play
- Unicorn School: The Surprise Party
- Unicorn School: The Treasure Hunt
- Unique Animals
- Unicorn School: The Treasure Hunt
- Unique Animals
- Unique Fish and Facts
- Uno sbaglio di lupo
- Unsere Vorwerker
- Unsung Heroes Animal Welfare
- Unsung Heroes: Animal Welfare: Read-along ebook
- Unusual! Ocean Life
- Up Close
- Up Close With Bugs
- Up Close With Spiders
- Urina бол хамгийн шилдэг жолооч!
- Urina, the Best Driver Ever! (English)
- Urina, tài xế tốt nhất từ trước tới nay!
- Urina, ไดร์เวอร์ที่ดีที่สุดที่เคย!
- Ursula
- Ursulețul și bunul iepure
- Usborne First Experiences: The New Puppy