- The Ship of Fools, Volume 1Author: Sebastian Brant, T. H. (Thomas Hill) Jamieson, Barclay, AlexanderReleased on Project Gutenberg: December 23, 2006
- The Ship of StarsAuthor: Arthur Quiller-CouchReleased on Project Gutenberg: June 7, 2005
- The Shipwreck: A Story for the YoungAuthor: Joseph Spillman, Gray, Mary Richards [Translator]Released on Project Gutenberg: May 16, 2006
- The Shirley Letters from California Mines in 1851-52Author: Dame ShirleyReleased on Project Gutenberg: November 1, 2007
- The Shopkeeper Turned GentlemanAuthor: Molière, Wall, Charles Heron [Translator]Released on Project Gutenberg: January 1, 2005
- The Short CutAuthor: Jackson Gregory, Frank Tenney JohnsonReleased on Project Gutenberg: July 31, 2006
- The short lifeAuthor: Donovan, Francis, Hubert RogersReleased on Project Gutenberg: December 20, 2007
- The Short Line WarAuthor: Samuel Merwin, Henry Kitchell WebsterReleased on Project Gutenberg: June 1, 2005
- The Short-storyAuthor: William Patterson Atkinson, Bret Harte, Nathaniel Hawthorne, Washington Irving, Rudyard KiplingReleased on Project Gutenberg: June 29, 2007
- The Shoulders of Atlas: A NovelAuthor: Mary Eleanor Wilkins FreemanReleased on Project Gutenberg: January 21, 2006
- The Shrieking PitAuthor: Arthur J. (Arthur John) ReesReleased on Project Gutenberg: February 2, 2007
- The ShuttleAuthor: Frances Hodgson BurnettReleased on Project Gutenberg: March 18, 2006
- The Siege of Kimberley: Its Humorous and Social Side; Anglo-Boer War (1899-1902); Eighteen Weeks in Eighteen ChaptersAuthor: Phelan, T.Released on Project Gutenberg: October 18, 2004
- The Sign at SixAuthor: Stewart Edward WhiteReleased on Project Gutenberg: June 1, 2005
- The Sign of the FourAuthor: Arthur Conan DoyleReleased on Project Gutenberg: March 1, 2000
- The Sign of the Red Cross: A Tale of Old LondonAuthor: Evelyn Everett-GreenReleased on Project Gutenberg: October 23, 2004
- The Siksha-Patri of the Svami-Narayana SectAuthor: Monier-Williams, Monier, SirReleased on Project Gutenberg: January 1, 2005
- The Silence: What It Is and How To Use ItAuthor: David V. (David Van) BushReleased on Project Gutenberg: August 8, 2004
- The Silent BulletAuthor: Arthur B. (Arthur Benjamin) ReeveReleased on Project Gutenberg: January 1, 2001
- The Silent HouseAuthor: Fergus HumeReleased on Project Gutenberg: August 17, 2006
- The Silent IsleAuthor: Arthur Christopher BensonReleased on Project Gutenberg: April 1, 2004
- The silent placesAuthor: Stewart Edward White, Philip R. GoodwinReleased on Project Gutenberg: February 7, 2005
- The Silesian Horseherd - Questions of the HourAuthor: F. Max (Friedrich Max) MüllerReleased on Project Gutenberg: January 15, 2008
- The Silk-Hat Soldier, and Other Poems in War TimeAuthor: Richard Le GallienneReleased on Project Gutenberg: September 19, 2006
- The Silly Jelly-Fish: Told in EnglishAuthor: Basil Hall ChamberlainReleased on Project Gutenberg: May 25, 2008
- The Silly Syclopedia: A Terrible Thing in the Form of a Literary Torpedo which is Launched for Hilarious Purposes Only Inaccurate in Every Particular Containing Copious Etymological Derivations and Other Useless ThingsAuthor: George V. (George Vere) Hobart, Grant, Louis F. [Illustrator]Released on Project Gutenberg: April 25, 2005
- The Silver Box: A Comedy in Three ActsAuthor: John GalsworthyReleased on Project Gutenberg: September 26, 2004
- The Silver ButterflyAuthor: Woodrow, Wilson, Mrs., Howard Chandler ChristyReleased on Project Gutenberg: June 17, 2008
- The Silver Canyon: A Tale of the Western PlainsAuthor: George Manville Fenn, Henri Théophile Hildibrand, Edouard RiouReleased on Project Gutenberg: May 8, 2007
- The Silver Crown: Another Book of FablesAuthor: Laura Elizabeth Howe RichardsReleased on Project Gutenberg: November 21, 2006
- The Silver HordeAuthor: Rex BeachReleased on Project Gutenberg: July 1, 2004
- The Silverado SquattersAuthor: Robert Louis Stevenson, J. D. (Joseph Dwight) StrongReleased on Project Gutenberg: May 1, 1996
- The Simpkins PlotAuthor: George A. BirminghamReleased on Project Gutenberg: October 19, 2006
- The Simple LifeAuthor: Charles Wagner, Mary Louise HendeeReleased on Project Gutenberg: October 20, 2007
- The Singing Man: A Book of Songs and ShadowsAuthor: Josephine Preston PeabodyReleased on Project Gutenberg: December 30, 2004
- The Singing Mouse StoriesAuthor: Emerson Hough, Bunker, Mayo [Illustrator]Released on Project Gutenberg: April 7, 2007
- The Sins of Séverac BablonAuthor: Sax RohmerReleased on Project Gutenberg: June 20, 2007
- The Siouan IndiansAuthor: W J McGeeReleased on Project Gutenberg: October 23, 2006
- The Sister Years (From "Twice Told Tales")Author: Nathaniel HawthorneReleased on Project Gutenberg: November 1, 2005
- The Sisters — CompleteAuthor: Georg Ebers, Clara BellReleased on Project Gutenberg: November 15, 2004
- The Sisters — Volume 1Author: Georg Ebers, Clara BellReleased on Project Gutenberg: April 1, 2004
- The Sisters — Volume 2Author: Georg Ebers, Clara BellReleased on Project Gutenberg: April 1, 2004
- The Sisters — Volume 3Author: Georg Ebers, Clara BellReleased on Project Gutenberg: April 1, 2004
- The Sisters — Volume 4Author: Georg Ebers, Clara BellReleased on Project Gutenberg: April 1, 2004
- The Sisters — Volume 5Author: Georg Ebers, Clara BellReleased on Project Gutenberg: April 1, 2004
- The Sisters' Tragedy, with Other Poems, Lyrical and DramaticAuthor: Thomas Bailey AldrichReleased on Project Gutenberg: July 1, 1996
- The Sisters-In-Law: A Novel of Our TimeAuthor: Gertrude Franklin Horn AthertonReleased on Project Gutenberg: July 1, 2005
- The Skating Party and Other StoriesAuthor: UnknownReleased on Project Gutenberg: May 31, 2008
- The Skeleton On Round Island: From "Mackinac And Lake Stories", 1899Author: Mary Hartwell CatherwoodReleased on Project Gutenberg: October 30, 2007
- The Sketch-Book of Geoffrey CrayonAuthor: Washington IrvingReleased on Project Gutenberg: January 1, 2000
- The Skin Game (A Tragi-Comedy)Author: John GalsworthyReleased on Project Gutenberg: September 26, 2004
- The Skipper and the Skipped: Being the Shore Log of Cap'n Aaron SproulAuthor: Holman DayReleased on Project Gutenberg: September 1, 2005
- The skipper's wooing, and The brown man's servantAuthor: W. W. (William Wymark) JacobsReleased on Project Gutenberg: May 5, 2007
- The Sky Is FallingAuthor: Lester Del ReyReleased on Project Gutenberg: July 6, 2006
- The Sky Line of SpruceAuthor: Edison MarshallReleased on Project Gutenberg: March 1, 2004
- The Sky Pilot in No Man's LandAuthor: Ralph ConnorReleased on Project Gutenberg: June 3, 2006
- The Sky Pilot: A Tale of the FoothillsAuthor: Ralph ConnorReleased on Project Gutenberg: May 30, 2006
- The Sky TrapAuthor: Frank Belknap LongReleased on Project Gutenberg: January 3, 2008
- The Skylark of SpaceAuthor: E. E. (Edward Elmer) Smith, Lee Hawkins GarbyReleased on Project Gutenberg: March 21, 2007
- The Slanderer: 1901Author: Anton Pavlovich Chekhov, Herman BernsteinReleased on Project Gutenberg: October 17, 2007