U
- U.S. Colonial Period History
- U.S. Contemporary Fiction
- U.S. Historical Fiction
- U.S. History for Young Adults
- U.S. Revolution & Founding History
- U.S. Short Stories
- UEFA Champions League
- UFOs
- UFOs & Extraterrestrial Life
- UK
- UK & Irish Cooking
- UK History
- UK Politics
- UK WTBB Group 3
- UK WTBB Group 5
- Ukiyo-e Art History & Criticism
- Ukulele
- Ukulele Songbooks
- Ukulele Strings
- Ukuleles
- Ultrasonics
- Umbrella Lights
- UML
- UML Programming
- Under Kitchen Counter Bins
- Under- & Postgraduate African Studies
- Under- & Postgraduate Ancient Greek
- Under- & Postgraduate Ancient History
- Under- & Postgraduate Anthropology
- Under- & Postgraduate Archaeology