- Sailing Alone Around the WorldAuthor: Joshua Slocum, Thomas Fogarty, George VarianReleased on Project Gutenberg: August 1, 2004
- Sailors' Knots (Entire Collection)Author: W. W. (William Wymark) Jacobs, Will OwenReleased on Project Gutenberg: January 1, 2004
- Saint AugustinAuthor: Louis Bertrand, Vincent O'SullivanReleased on Project Gutenberg: October 1, 2005
- Saint Bartholomew's Eve: A Tale of the Huguenot WarsAuthor: G. A. (George Alfred) Henty, Herbert James DraperReleased on Project Gutenberg: December 12, 2006
- Saint Patrick: 1887Author: Heman White ChaplinReleased on Project Gutenberg: October 12, 2007
- Saint's ProgressAuthor: John GalsworthyReleased on Project Gutenberg: June 14, 2006
- Sakoontala; Or, The Lost Ring: An Indian DramaAuthor: Kālidāsa, Monier-Williams, Monier, SirReleased on Project Gutenberg: April 1, 2004
- Salads, Sandwiches and Chafing-Dish Dainties: With Fifty Illustrations of Original DishesAuthor: Janet McKenzie HillReleased on Project Gutenberg: August 18, 2006
- SalammboAuthor: Gustave FlaubertReleased on Project Gutenberg: February 11, 2006
- Salem Witchcraft, Volumes I and II: With an Account of Salem Village and a History of Opinions on Witchcraft and Kindred SubjectsAuthor: Charles Wentworth UphamReleased on Project Gutenberg: February 24, 2006
- Sally BishopAuthor: E. Temple (Ernest Temple) ThurstonReleased on Project Gutenberg: October 23, 2005
- Sally DowsAuthor: Bret HarteReleased on Project Gutenberg: May 25, 2006
- Sally of MissouriAuthor: Rose E. (Rose Emmet) YoungReleased on Project Gutenberg: November 7, 2007
- Salomy JaneAuthor: Bret Harte, Harrison Fisher, Arthur Ignatius KellerReleased on Project Gutenberg: February 27, 2005
- Salt Water: The Sea Life and Adventures of Neil D'Arcy the MidshipmanAuthor: William Henry Giles Kingston, Lacey, C. J. de [Illustrator]Released on Project Gutenberg: May 15, 2007
- Saltbush Bill, J. P.Author: A. B. (Andrew Barton) PatersonReleased on Project Gutenberg: May 1, 1998
- Salted with FireAuthor: George MacDonaldReleased on Project Gutenberg: October 1, 2005
- SalthavenAuthor: W. W. (William Wymark) Jacobs, Will OwenReleased on Project Gutenberg: June 25, 2007
- Salute to AdventurersAuthor: John BuchanReleased on Project Gutenberg: November 1, 2003
- Sam Lambert and the New Way Store: A Book for Clothiers and Their ClerksAuthor: UnknownReleased on Project Gutenberg: November 19, 2007
- Sam's Chance, and How He Improved ItAuthor: Alger, Horatio, Jr.Released on Project Gutenberg: July 12, 2008
- Sam's Ghost: Deep Waters, Part 4.Author: W. W. (William Wymark) Jacobs, Will OwenReleased on Project Gutenberg: March 1, 2004
- Samantha among the Brethren — Volume 1Author: Marietta HolleyReleased on Project Gutenberg: August 10, 2004
- Samantha among the Brethren — Volume 2Author: Marietta HolleyReleased on Project Gutenberg: August 10, 2004
- Samantha among the Brethren — Volume 3Author: Marietta HolleyReleased on Project Gutenberg: August 10, 2004
- Samantha among the Brethren — Volume 4Author: Marietta HolleyReleased on Project Gutenberg: August 10, 2004
- Samantha among the Brethren — Volume 5Author: Marietta HolleyReleased on Project Gutenberg: August 10, 2004
- Samantha among the Brethren — Volume 6Author: Marietta HolleyReleased on Project Gutenberg: August 10, 2004
- Samantha among the Brethren — Volume 7Author: Marietta HolleyReleased on Project Gutenberg: August 10, 2004
- Samantha Among the Brethren, CompleteAuthor: Marietta HolleyReleased on Project Gutenberg: August 10, 2004
- Samantha at SaratogaAuthor: Marietta HolleyReleased on Project Gutenberg: September 1, 2002
- Samantha at the St. Louis ExpositionAuthor: Marietta HolleyReleased on Project Gutenberg: May 1, 2004
- Samantha at the World's FairAuthor: Marietta Holley, Constantin de GrimmReleased on Project Gutenberg: April 1, 2006
- Samantha on the Woman QuestionAuthor: Marietta HolleyReleased on Project Gutenberg: April 1, 2005
- Sammie and Susie LittletailAuthor: Howard Roger Garis, Louis WisaReleased on Project Gutenberg: August 2, 2004
- Samoa, A Hundred Years Ago And Long BeforeAuthor: Turner, GeorgeReleased on Project Gutenberg: December 1, 2004
- Samuel Brohl and CompanyAuthor: Victor CherbuliezReleased on Project Gutenberg: March 28, 2006
- Samuel Butler: A SketchAuthor: Henry Festing JonesReleased on Project Gutenberg: December 1, 2001
- Samuel F. B. Morse, His Letters and Journals: In Two Volumes, Volume I.Author: Samuel Finley Breese Morse, Edward Lind MorseReleased on Project Gutenberg: February 1, 2004
- Samuel F. B. Morse, His Letters and Journals: In Two Volumes, Volume IIAuthor: Samuel Finley Breese Morse, Edward Lind MorseReleased on Project Gutenberg: February 1, 2004
- Samuel JohnsonAuthor: Leslie StephenReleased on Project Gutenberg: February 1, 2004
- Samuel Richardson's Introduction to PamelaAuthor: Samuel Richardson, Sheridan Warner BakerReleased on Project Gutenberg: March 17, 2008
- Samuel Rutherford and Some of His CorrespondentsAuthor: Alexander WhyteReleased on Project Gutenberg: October 17, 2005
- Samuel the SeekerAuthor: Upton SinclairReleased on Project Gutenberg: June 1, 2004
- San Francisco During the Eventful Days of April 1906Author: James B. (James Burgess) StetsonReleased on Project Gutenberg: November 1, 2003
- SanctuaryAuthor: Edith WhartonReleased on Project Gutenberg: February 1, 2005
- Sand DoomAuthor: Murray LeinsterReleased on Project Gutenberg: August 31, 2007
- Sanders' Union Fourth Reader: Embracing a Full Exposition of the Principles of Rhetorical Reading; with Numerous Exercises for Practice, Both in Prose and Poetry, Various in Style, and Carefully Adapted to the Purposes of Teaching in Schools of Every GradeAuthor: Charles W. (Charles Walton) SandersReleased on Project Gutenberg: October 1, 2005
- SandhyaAuthor: Dhan Gopal MukerjiReleased on Project Gutenberg: October 2, 2007
- Sandman's Goodnight StoriesAuthor: Abbie Phillips Walker, Rhoda ChaseReleased on Project Gutenberg: April 2, 2007
- Sandra Belloni (originally Emilia in England) — CompleteAuthor: George MeredithReleased on Project Gutenberg: November 3, 2004
- Sandra Belloni — Volume 1Author: George MeredithReleased on Project Gutenberg: September 1, 2003
- Sandra Belloni — Volume 2Author: George MeredithReleased on Project Gutenberg: September 1, 2003
- Sandra Belloni — Volume 3Author: George MeredithReleased on Project Gutenberg: September 1, 2003
- Sandra Belloni — Volume 4Author: George MeredithReleased on Project Gutenberg: September 1, 2003
- Sandra Belloni — Volume 5Author: George MeredithReleased on Project Gutenberg: September 1, 2003
- Sandra Belloni — Volume 6Author: George MeredithReleased on Project Gutenberg: September 1, 2003
- Sandra Belloni — Volume 7Author: George MeredithReleased on Project Gutenberg: September 1, 2003
- SandyAuthor: Alice Caldwell Hegan RiceReleased on Project Gutenberg: November 18, 2004
- Sane Sex Life and Sane Sex Living: Some Things That All Sane People Ought to Know About Sex Nature and Sex Functioning; Its Place in the Economy of Life, Its Proper Training and Righteous ExerciseAuthor: H. W. (Harland William) LongReleased on Project Gutenberg: August 12, 2004