- The Mirrors of WashingtonAuthor: Clinton W. (Clinton Wallace) Gilbert, Kirby, JohnReleased on Project Gutenberg: March 1, 2003
- The Miscellaneous Writings and Speeches of Lord Macaulay: Complete Table of Contents of the Four VolumesAuthor: Macaulay, Thomas Babington Macaulay, Baron, David WidgerReleased on Project Gutenberg: June 26, 2008
- The Mischief-MakerAuthor: E. Phillips (Edward Phillips) OppenheimReleased on Project Gutenberg: September 1, 2005
- The MiserAuthor: Molière, Wall, Charles Heron [Translator]Released on Project Gutenberg: November 1, 2004
- The Misplaced BattleshipAuthor: Harry Harrison, John SchoenherrReleased on Project Gutenberg: September 8, 2007
- The Misses Mallett (The Bridge Dividing)Author: E. H. (Emily Hilda) YoungReleased on Project Gutenberg: May 1, 2005
- The Missing BrideAuthor: Emma Dorothy Eliza Nevitte SouthworthReleased on Project Gutenberg: December 20, 2004
- The Missing LinkAuthor: Edward DysonReleased on Project Gutenberg: November 22, 2005
- The Missing MerchantmanAuthor: Harry Collingwood, William Heysham OverendReleased on Project Gutenberg: April 13, 2007
- The Missing Ship: The Log of the "Ouzel" GalleyAuthor: William Henry Giles KingstonReleased on Project Gutenberg: May 15, 2007
- The MissionAuthor: Frederick MarryatReleased on Project Gutenberg: August 25, 2004
- The Mission of Janice DayAuthor: Long, Helen Beecher, Turner, Corinne [Illustrator]Released on Project Gutenberg: June 28, 2008
- The Mission Of Mr. Eustace Greyne: 1905Author: Robert HichensReleased on Project Gutenberg: November 8, 2007
- The Mission; or Scenes in AfricaAuthor: Frederick MarryatReleased on Project Gutenberg: May 21, 2007
- The Mississippi Bubble: How the Star of Good Fortune Rose and Set and Rose Again, by a Woman's Grace, for One John Law of LauristonAuthor: Emerson Hough, Henry HuttReleased on Project Gutenberg: November 10, 2004
- The Mississippi SaucerAuthor: Frank Belknap Long, Jon ArfstromReleased on Project Gutenberg: November 20, 2007
- The mistakes of JesusAuthor: William FloydReleased on Project Gutenberg: October 11, 2007
- The Mistletoe BoughAuthor: Anthony TrollopeReleased on Project Gutenberg: February 1, 2003
- The Mistress of the ManseAuthor: J. G. (Josiah Gilbert) HollandReleased on Project Gutenberg: July 29, 2004
- The Misuse of MindAuthor: Karin StephenReleased on Project Gutenberg: August 1, 2004
- The Mob: A Play in Four ActsAuthor: John GalsworthyReleased on Project Gutenberg: September 26, 2004
- The Moccasin MakerAuthor: E. Pauline Johnson, Charles Mair, Gilbert ParkerReleased on Project Gutenberg: June 24, 2004
- The Moccasin Ranch: A Story of DakotaAuthor: Hamlin Garland, John Newton HowittReleased on Project Gutenberg: November 11, 2006
- The Modern Regime, Volume 1Author: Hippolyte Taine, Rom, Svend [Annotator], John DurandReleased on Project Gutenberg: June 22, 2008
- The Modern Regime, Volume 2Author: Hippolyte Taine, Rom, Svend [Annotator], John DurandReleased on Project Gutenberg: June 22, 2008
- The Modern Scottish Minstrel, Volume 1.: The Songs of Scotland of the Past Half CenturyAuthor: Charles RogersReleased on Project Gutenberg: May 15, 2006
- The Modern Scottish Minstrel, Volume 2.: The Songs of Scotland of the Past Half CenturyAuthor: Charles RogersReleased on Project Gutenberg: June 19, 2006
- The Modern Scottish Minstrel, Volume 3.: The Songs of Scotland of the Past Half CenturyAuthor: Charles RogersReleased on Project Gutenberg: September 26, 2006
- The Modern Scottish Minstrel, Volume 4.: The Songs of Scotland of the Past Half CenturyAuthor: Charles RogersReleased on Project Gutenberg: October 11, 2006
- The Modern Scottish Minstrel, Volume 5.: The Songs of Scotland of the Past Half CenturyAuthor: Charles RogersReleased on Project Gutenberg: July 25, 2007
- The Modern Scottish Minstrel, Volume 6.: The Songs of Scotland of the Past Half CenturyAuthor: Charles RogersReleased on Project Gutenberg: August 3, 2007
- The Modern Scottish Minstrel, Volumes 1-6.: The Songs of Scotland of the Past Half CenturyAuthor: Charles RogersReleased on Project Gutenberg: September 5, 2007
- The MonasteryAuthor: Walter ScottReleased on Project Gutenberg: September 1, 2004
- The Monctons: A Novel. Volume 1 (of 2)Author: Susanna MoodieReleased on Project Gutenberg: March 16, 2007
- The Money Box: Odd Craft, Part 1.Author: W. W. (William Wymark) Jacobs, Will OwenReleased on Project Gutenberg: April 1, 2004
- The Money Master, CompleteAuthor: Gilbert ParkerReleased on Project Gutenberg: November 19, 2004
- The Money Master, Volume 1.Author: Gilbert ParkerReleased on Project Gutenberg: August 1, 2004
- The Money Master, Volume 2.Author: Gilbert ParkerReleased on Project Gutenberg: August 1, 2004
- The Money Master, Volume 3.Author: Gilbert ParkerReleased on Project Gutenberg: August 1, 2004
- The Money Master, Volume 4.Author: Gilbert ParkerReleased on Project Gutenberg: August 1, 2004
- The Money Master, Volume 5.Author: Gilbert ParkerReleased on Project Gutenberg: August 1, 2004
- The Money Moon: A RomanceAuthor: Jeffery FarnolReleased on Project Gutenberg: December 1, 2003
- The MoneychangersAuthor: Upton SinclairReleased on Project Gutenberg: June 1, 2004
- The MonikinsAuthor: James Fenimore CooperReleased on Project Gutenberg: May 1, 2003
- The Monitor and the MerrimacAuthor: John Lorimer Worden, Samuel Dana Greene, Ramsay, H. Ashton, Eugene Winslow WatsonReleased on Project Gutenberg: February 15, 2008
- The Monk: A RomanceAuthor: M. G. (Matthew Gregory) LewisReleased on Project Gutenberg: July 1, 1996
- The Monkey's Paw: The Lady of the Barge and Others, Part 2.Author: W. W. (William Wymark) Jacobs, Maurice Greiffenhagen, Richards, Amy, activeReleased on Project Gutenberg: April 1, 2004
- The MonsterAuthor: Tenneshaw, S. M.Released on Project Gutenberg: March 25, 2008
- The Monster MenAuthor: Edgar Rice BurroughsReleased on Project Gutenberg: January 1, 1994
- The moonAuthor: Thomas Gwyn ElgerReleased on Project Gutenberg: February 7, 2006
- The Moon and SixpenceAuthor: W. Somerset (William Somerset) MaughamReleased on Project Gutenberg: February 1, 1995
- The Moon Endureth: Tales and FanciesAuthor: John BuchanReleased on Project Gutenberg: November 1, 1996
- The Moon MetalAuthor: Garrett Putman ServissReleased on Project Gutenberg: May 1, 2005
- The Moon out of ReachAuthor: Pedler, Margaret, -Released on Project Gutenberg: August 9, 2005
- The Moon PoolAuthor: Abraham MerrittReleased on Project Gutenberg: December 1, 1996
- The Moon RockAuthor: Arthur J. (Arthur John) ReesReleased on Project Gutenberg: June 1, 2004
- The Moon-VoyageAuthor: Jules VerneReleased on Project Gutenberg: July 12, 2004
- The moonshiners at Hoho-hebee Falls: 1895Author: Charles Egbert Craddock, A. B. (Arthur Burdett) FrostReleased on Project Gutenberg: November 26, 2007
- The MoonstoneAuthor: Wilkie CollinsReleased on Project Gutenberg: January 12, 2006
- The Moorland CottageAuthor: Elizabeth Cleghorn GaskellReleased on Project Gutenberg: February 1, 2004