Books about Uncles -- Juvenile fiction (sorted alphabetically)
- Sweet Content Mrs. Molesworth
- Syd Belton: The Boy Who Would Not Go to Sea George Manville Fenn
- Three Young Ranchmen; or, Daring Adventures in the Great West Edward Stratemeyer
- Twin Ventriloquists; or, Nimble Ike and Jack the Juggler Old Sleuth
- Uncle Joe's Stories Baron Edward Hugessen Knatchbull-Hugessen Brabourne
- Uncle Rutherford's Nieces: A Story for Girls Joanna H. Mathews
- Under Padlock and Seal Harold Avery
- Wanderers; Or, Adventures in the Wilds of Trinidad and Orinoco William Henry Giles Kingston
- William Henry Letters Abby Morton Diaz
- Wonderful Garden; or, The Three Cs E. Nesbit
- Young Salesman Jr. Horatio Alger
- Young Ship-Builders of Elm Island Elijah Kellogg