- Uarda, by Georg Ebers
- Ugo, by Ambrogio Bazzero
- Ugo, by Ambrogio Bazzero
- Ulysses, by James Joyce
- Umboo, the Elephant, by Howard R. Garis
- Umbrellas and their History, by William Sangster
- Unbearable Bassington, The, by Saki
- Unbeaten Tracks in Japan, by Bird
- Unclassed, The, by George Gissing
- Uncle Remus His Songs and His Sayings, by Joel Chandler Harris
- Uncle Robert's Geography (Uncle Robert's Visit, V.3), by Francis W. Parker and Nellie Lathrop Helm
- Uncles Josh's Punkin Centre Stories, by Cal Stewart
- Uncle Tom's Cabin, by Harriet Beecher Stowe
- Uncle Vanya, by Anton Checkov
- Uncle William, by Jennette Lee
- Uncommercial Traveller, The, by Charles Dickens
- Unconscious Comedians, by Honore de Balzac
- Unconscious Memory, by Samuel Butler
- Underdogs, The, by Mariano Azuela
- Under Fire, by Henri Barbusse
- Underground City, The, by Jules Verne
- Underground, by Suelette Dreyfus
- Understood Betsy, by Dorothy Canfield
- Under the Andes, by Rex Stout
- Under the Deodars, by Rudyard Kipling
- Under the Greenwood Tree, by Hardy
- Under the Leads, by Jacques Casanova
- Under the Lilacs, by Louisa May Alcott
- Under the Red Robe, by Stanley Weyman
- Under the Redwoods, by Bret Harte
- Under the Storm, by Charlotte M. Yonge
- Undertow, by Kathleen Norris
- Under Two Flags, by Ouida [Louise de la Ramee]
- Under Western Eyes, by Joseph Conrad
- Underwoods, by Robert Louis Stevenson
- Undine, by Friedrich de la Motte Fouque
- Uneasy Money, by P.G. Wodehouse
- Unexpurgated Case Against Woman Suffrage, The, by Almroth E. Wright
- Unforseen Return, The, by Jean-Francois Regnard, translated by Frank J. Morlock
- United Netherlands, 1584-1609, by John Lothrop Motley
- United States of America Part I, The, by Ediwn Erle Sparks
- United States Presidents' Inaugural Speeches, by Presidents From Washington to Clinton
- United States Since The Civil War , The, by Charles Ramsdell Lingley
- United States Since The Civil War , The, by Charles Ramsdell Lingley
- University of Hard Knocks, The, by Ralph Parlette
- Unknown Guest, The, by Maurice Maeterlinck
- Unknown to History, by Charlotte M. Yonge
- Unseen World and Other Essays, The, by John Fiske
- Unspeakable Perk, The, by Samuel Hopkins Adams
- Untilled Field, The, by George Moore
- Unwilling Vestal, The, by Edward Lucas White
- Upanishads, The, by Swami Paramananda [Translator]
- Up From Slavery: An Autobiography, by Booker
- Up From Slavery, by Booker T. Washington
- Upton Letters, The, by Arthur Christopher Benson
- U.P. Trail, The, by Zane Grey
- Urbain Grandier, by Alexandre Dumas
- Urban Sketches, by Bret Harte
- Ursula, by Honore de Balzac
- Use and Need of the Life of Carrie A. Nation, The, by Carrie A. Nation
- US Presidential Inagural Addresses, by Various
- Utopia of Usurers and other Essays, by Gilbert K. Chesterton
- Utopia, by Thomas More
