- Kenelm Chillingly — Volume 02Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Kenelm Chillingly — Volume 03Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Kenelm Chillingly — Volume 04Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Kenelm Chillingly — Volume 05Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Kenelm Chillingly — Volume 06Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Kenelm Chillingly — Volume 07Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Kenelm Chillingly — Volume 08Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
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- Kennedy SquareAuthor: Francis Hopkinson SmithReleased on Project Gutenberg: December 1, 2003
- KennyAuthor: Leona Dalrymple, Josef Pierre NuyttensReleased on Project Gutenberg: June 11, 2005
- Kent Knowles: QuahaugAuthor: Joseph Crosby LincolnReleased on Project Gutenberg: June 6, 2006
- KeplerAuthor: Walter W. (Walter William) BryantReleased on Project Gutenberg: May 1, 2004
- Kept in the DarkAuthor: Anthony TrollopeReleased on Project Gutenberg: September 10, 2007
- Kerfol: 1916Author: Edith WhartonReleased on Project Gutenberg: January 17, 2008
- Kernel Cob And Little Miss SweetcloverAuthor: George Mitchell, Tony SargReleased on Project Gutenberg: November 23, 2004
- Key Out of TimeAuthor: Andre NortonReleased on Project Gutenberg: October 28, 2006
- Keziah CoffinAuthor: Joseph Crosby LincolnReleased on Project Gutenberg: May 14, 2006
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- Kid Wolf of Texas: A Western StoryAuthor: Paul S. (Paul Sylvester) PowersReleased on Project Gutenberg: August 26, 2008
- Kiddie the ScoutAuthor: Robert Leighton, Grey, Frank R. [Illustrator]Released on Project Gutenberg: December 19, 2007
- KidnappedAuthor: Robert Louis StevensonReleased on Project Gutenberg: January 16, 2006
- Kilgorman: A Story of Ireland in 1798Author: Talbot Baines Reed, W. S. (Walter S.) StaceyReleased on Project Gutenberg: April 5, 2007
- Kilmeny of the OrchardAuthor: L. M. (Lucy Maud) MontgomeryReleased on Project Gutenberg: March 1, 2004
- Kilo : being the love story of Eliph' Hewlitt, book agentAuthor: Ellis Parker ButlerReleased on Project Gutenberg: September 1, 2002
- KimAuthor: Rudyard KiplingReleased on Project Gutenberg: June 1, 2000
- KimonoAuthor: John ParisReleased on Project Gutenberg: June 1, 2004
- Kincaid's BatteryAuthor: George Washington Cable, Alonzo KimballReleased on Project Gutenberg: March 1, 2004
- Kindness to Animals; Or, The Sin of Cruelty Exposed and RebukedAuthor: Charlotte ElizabethReleased on Project Gutenberg: March 10, 2006
- Kindred of the DustAuthor: Peter B. (Peter Bernard) Kyne, Dean CornwellReleased on Project Gutenberg: September 26, 2004
- King Alfred of England: Makers of HistoryAuthor: Jacob AbbottReleased on Project Gutenberg: August 18, 2005
- King Alfred's Viking: A Story of the First English FleetAuthor: Charles W. (Charles Watts) WhistlerReleased on Project Gutenberg: November 13, 2004
- King Arthur and His KnightsAuthor: Maude Radford Warren, Walter J. (Walter Joseph) EnrightReleased on Project Gutenberg: June 19, 2007
- King Arthur's Knights: The Tales Re-told for Boys & GirlsAuthor: Henry Gilbert, Walter CraneReleased on Project Gutenberg: August 25, 2007
- King Arthur's Socks and Other Village PlaysAuthor: Floyd DellReleased on Project Gutenberg: September 1, 2004
- King CandaulesAuthor: Théophile Gautier, Lafcadio HearnReleased on Project Gutenberg: September 18, 2007
- King CoalAuthor: Upton Sinclair, Georg BrandesReleased on Project Gutenberg: February 1, 2005
- King Edward IIIAuthor: William ShakespeareReleased on Project Gutenberg: June 1, 1999
- King Henry IV, Part 1Author: William ShakespeareReleased on Project Gutenberg: November 1, 1997
- King Henry IV, Part 1Author: William ShakespeareReleased on Project Gutenberg: November 1, 1998
- King Henry IV, Part 1Author: William ShakespeareReleased on Project Gutenberg: June 1, 1999
- King Henry IV, Part 1Author: William ShakespeareReleased on Project Gutenberg: July 1, 2000
- King Henry IV, Part 2Author: William ShakespeareReleased on Project Gutenberg: November 1, 1997
- King Henry IV, Part 2Author: William ShakespeareReleased on Project Gutenberg: November 1, 1998
- King Henry IV, Part 2Author: William ShakespeareReleased on Project Gutenberg: June 1, 1999
- King Henry IV, Part 2Author: William ShakespeareReleased on Project Gutenberg: October 28, 2018
- King Henry VAuthor: William ShakespeareReleased on Project Gutenberg: November 1, 1997
- King Henry VAuthor: William ShakespeareReleased on Project Gutenberg: November 1, 1998
- King Henry VAuthor: William ShakespeareReleased on Project Gutenberg: June 1, 1999
- King Henry VAuthor: William ShakespeareReleased on Project Gutenberg: July 1, 2000
- King Henry V: Arranged for Representation at the Princess's TheatreAuthor: William Shakespeare, Kean, Charles JohnReleased on Project Gutenberg: September 28, 2007
- King Henry VI, Part 1Author: William ShakespeareReleased on Project Gutenberg: November 1, 1997
- King Henry VI, Part 1Author: William ShakespeareReleased on Project Gutenberg: October 1, 1998
- King Henry VI, Part 1Author: William ShakespeareReleased on Project Gutenberg: June 1, 1999
- King Henry VI, Part 1Author: William ShakespeareReleased on Project Gutenberg: July 1, 2000
- King Henry VI, Part 2Author: William ShakespeareReleased on Project Gutenberg: November 1, 1997
- King Henry VI, Part 2Author: William ShakespeareReleased on Project Gutenberg: October 1, 1998
- King Henry VI, Part 2Author: William ShakespeareReleased on Project Gutenberg: July 1, 2000
- King Henry VI, Part 3Author: William ShakespeareReleased on Project Gutenberg: November 1, 1997
- King Henry VI, Part 3Author: William ShakespeareReleased on Project Gutenberg: October 1, 1998
- King Henry VI, Part 3Author: William ShakespeareReleased on Project Gutenberg: July 1, 2000