- Maggie: A Girl of the StreetsAuthor: Stephen CraneReleased on Project Gutenberg: February 1, 1996
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- Magnum Bonum; Or, Mother Carey's BroodAuthor: Charlotte M. (Charlotte Mary) YongeReleased on Project Gutenberg: February 1, 2004
- Maha-bharata: The Epic of Ancient India Condensed into English VerseAuthor: Romesh Chunder DuttReleased on Project Gutenberg: October 25, 2006
- Mahomet, Founder of IslamAuthor: Draycott, Gladys M.Released on Project Gutenberg: January 1, 2004
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- Main Street: (From: "The Snow Image and Other Twice-Told Tales")Author: Nathaniel HawthorneReleased on Project Gutenberg: November 1, 2005
- Main Street, and Other PoemsAuthor: Joyce KilmerReleased on Project Gutenberg: July 9, 2008
- Main-Travelled RoadsAuthor: Hamlin GarlandReleased on Project Gutenberg: September 1, 2001
- Maintaining Health (Formerly Health and Efficiency)Author: Rasmus Larssen AlsakerReleased on Project Gutenberg: July 1, 2005
- Maitre CorneliusAuthor: Honoré de Balzac, Katharine Prescott WormeleyReleased on Project Gutenberg: February 22, 2005
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- Makers of Madness: A Play in One Act and Three ScenesAuthor: Hermann HagedornReleased on Project Gutenberg: September 3, 2005
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- Making a Rock GardenAuthor: H. S. (Henry Sherman) AdamsReleased on Project Gutenberg: February 2, 2008
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- Making His Way; Or, Frank Courtney's Struggle UpwardAuthor: Alger, Horatio, Jr.Released on Project Gutenberg: October 20, 2004
- Making the House a HomeAuthor: Edgar A. (Edgar Albert) GuestReleased on Project Gutenberg: December 1, 2003
- Making the Most of LifeAuthor: J. R. (James Russell) MillerReleased on Project Gutenberg: September 6, 2006
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- Malbone: An Oldport RomanceAuthor: Thomas Wentworth HigginsonReleased on Project Gutenberg: July 1, 1997
- MalcolmAuthor: George MacDonaldReleased on Project Gutenberg: December 1, 2004
- Malignant Self Love [Excerpts]Author: Samuel Vaknin, Rangelovska, Lidija [Editor]Released on Project Gutenberg: November 1, 2003
- Malvina of BrittanyAuthor: Jerome K. (Jerome Klapka) JeromeReleased on Project Gutenberg: January 1, 2000
- Mam' Lyddy's Recognition: 1908Author: Thomas Nelson PageReleased on Project Gutenberg: November 16, 2007
- Mamma's Stories about BirdsAuthor: Mary Elizabeth Southwell Dudley LeathleyReleased on Project Gutenberg: January 22, 2008
- Man and MaidAuthor: Elinor GlynReleased on Project Gutenberg: February 3, 2007
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- Man and WifeAuthor: Wilkie CollinsReleased on Project Gutenberg: February 22, 2006
- Man in the Iron Mask (an Essay)Author: Alexandre DumasReleased on Project Gutenberg: September 22, 2004
- Man MadeAuthor: Teichner, AlbertReleased on Project Gutenberg: March 30, 2008
- Man of Many MindsAuthor: E. Everett (Edward Everett) EvansReleased on Project Gutenberg: October 29, 2006
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- Man Overboard!Author: F. Marion (Francis Marion) CrawfordReleased on Project Gutenberg: February 12, 2008
- Man to ManAuthor: Jackson GregoryReleased on Project Gutenberg: July 29, 2006
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- ManaliveAuthor: G. K. (Gilbert Keith) ChestertonReleased on Project Gutenberg: April 1, 1999
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- Manhood of Humanity.Author: Alfred KorzybskiReleased on Project Gutenberg: May 13, 2008
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- Mankind in the MakingAuthor: H. G. (Herbert George) WellsReleased on Project Gutenberg: December 1, 2004
- Manners and Conduct in School and OutAuthor: AnonymousReleased on Project Gutenberg: December 21, 2004
- Manners and Monuments of Prehistoric PeoplesAuthor: Nadaillac, Jean-François-Albert du Pouget, marquis de, N. D'AnversReleased on Project Gutenberg: July 1, 2002
- Manners and Social UsagesAuthor: M. E. W. (Mary Elizabeth Wilson) SherwoodReleased on Project Gutenberg: June 1, 2005
- Manners Makyth Man: Ship's Company, Part 12.Author: W. W. (William Wymark) Jacobs, Will OwenReleased on Project Gutenberg: January 1, 2004
- Manners, Customs, and Dress During the Middle Ages and During the Renaissance PeriodAuthor: P. L. JacobReleased on Project Gutenberg: February 1, 2004
- Manon LescautAuthor: abbé PrévostReleased on Project Gutenberg: March 1, 1996
- Mansfield ParkAuthor: Jane AustenReleased on Project Gutenberg: June 1, 1994
- Manual for Noncommissioned Officers and Privates of Infantry of the Army of the United States, 1917: To be used by Engineer companies (dismounted) and Coast Artillery companies for Infantry instruction and trainingAuthor: United States. War DepartmentReleased on Project Gutenberg: February 1, 2004
- Manual of Egyptian Archaeology and Guide to the Study of Antiquities in EgyptAuthor: G. (Gaston) Maspero, Amelia B. EdwardsReleased on Project Gutenberg: December 20, 2004
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