- Peace on Earth, Good-will to DogsAuthor: Eleanor Hallowell AbbottReleased on Project Gutenberg: December 29, 2006
- Peace Theories and the Balkan WarAuthor: Norman AngellReleased on Project Gutenberg: April 1, 2004
- Peaceless EuropeAuthor: Francesco Saverio NittiReleased on Project Gutenberg: November 1, 2003
- Peach Blossom Shangri-la: Tao Hua Yuan JiAuthor: Tao, QianReleased on Project Gutenberg: February 1, 2000
- Peacock Pie, a Book of RhymesAuthor: Walter De la MareReleased on Project Gutenberg: February 1, 2003
- Peak and Prairie: From a Colorado Sketch-bookAuthor: Anna Fuller, Moore, Emma G. [Illustrator]Released on Project Gutenberg: August 3, 2007
- Pearl and PeriwinkleAuthor: Graetz, AnnaReleased on Project Gutenberg: January 8, 2007
- Pearl of Pearl IslandAuthor: John OxenhamReleased on Project Gutenberg: March 4, 2005
- Pearl-Maiden: A Tale of the Fall of JerusalemAuthor: H. Rider (Henry Rider) HaggardReleased on Project Gutenberg: April 22, 2006
- Peat and its Uses as Fertilizer and FuelAuthor: Samuel W. (Samuel William) JohnsonReleased on Project Gutenberg: July 28, 2008
- Pebbles on the shore [by] Alpha of the ploughAuthor: A. G. (Alfred George) GardinerReleased on Project Gutenberg: January 1, 2004
- Peck's bad boy abroadAuthor: George W. (George Wilbur) Peck, Dan Sayre Groesbeck, R. W. TaylorReleased on Project Gutenberg: May 16, 2008
- Peck's Bad Boy and His Pa: 1883Author: George W. (George Wilbur) Peck, Gean SmithReleased on Project Gutenberg: May 16, 2008
- Peck's Bad Boy with the CircusAuthor: George W. (George Wilbur) PeckReleased on Project Gutenberg: November 1, 2003
- Peck's Bad Boy with the CowboysAuthor: George W. (George Wilbur) PeckReleased on Project Gutenberg: July 1, 2004
- Peck's Compendium of Fun: Comprising the Choicest Gems of Wit, Humor, Sarcasm and Pathos of America's Favorite HumoristAuthor: George W. (George Wilbur) PeckReleased on Project Gutenberg: January 27, 2005
- Peck's Sunshine: Being a Collection of Articles Written for Peck's Sun,: Milwaukee, Wis. - 1882Author: George W. (George Wilbur) PeckReleased on Project Gutenberg: May 16, 2008
- Peck's Uncle Ike and The Red Headed Boy: 1899Author: George W. (George Wilbur) PeckReleased on Project Gutenberg: May 16, 2008
- Pee-wee HarrisAuthor: Percy Keese Fitzhugh, Harold S. BarbourReleased on Project Gutenberg: February 1, 2006
- Pee-wee Harris AdriftAuthor: Percy Keese Fitzhugh, Harold S. BarbourReleased on Project Gutenberg: February 14, 2006
- Pee-wee Harris on the TrailAuthor: Percy Keese Fitzhugh, Harold S. BarbourReleased on Project Gutenberg: May 2, 2005
- Peeps at Many Lands: Ancient EgyptAuthor: James Baikie, Baikie, Constance N. [Illustrator]Released on Project Gutenberg: September 29, 2007
- Peeps At Many Lands: AustraliaAuthor: Frank Fox, Percy F. S. (Percy Frederick Seaton) SpenceReleased on Project Gutenberg: July 6, 2008
- Peeps at Many Lands: BelgiumAuthor: George W. T. (George William Thomson) Omond, A. (Amédée) ForestierReleased on Project Gutenberg: November 1, 2006
- Peeps at Many Lands: EgyptAuthor: R. Talbot (Robert Talbot) KellyReleased on Project Gutenberg: June 21, 2006
- Peeps at Many Lands: JapanAuthor: John Finnemore, Ella Du CaneReleased on Project Gutenberg: April 1, 2005
- Peeps at Many Lands: NorwayAuthor: A. F. (Augustus Ferryman) Mockler-Ferryman, A. Heaton (Alfred Heaton) Cooper, Nico JungmannReleased on Project Gutenberg: February 23, 2008
- Peg O' My HeartAuthor: J. Hartley MannersReleased on Project Gutenberg: January 1, 2003
- Peg WoffingtonAuthor: Charles ReadeReleased on Project Gutenberg: January 1, 2003
- PeggyAuthor: Laura Elizabeth Howe Richards, Etheldred B. (Etheldred Breeze) BarryReleased on Project Gutenberg: May 12, 2008
- Peggy in Her Blue FrockAuthor: Eliza Orne White, Preston, Alice Bolam [Illustrator]Released on Project Gutenberg: March 16, 2007
- Peggy Stewart at SchoolAuthor: Gabrielle E. (Gabrielle Emilie) JacksonReleased on Project Gutenberg: July 20, 2007
- Peggy Stewart, Navy Girl, at HomeAuthor: Gabrielle E. (Gabrielle Emilie) JacksonReleased on Project Gutenberg: May 1, 2004
- Peggy-AloneAuthor: Byrne, Mary Agnes, Anna B. CraigReleased on Project Gutenberg: January 26, 2008
- Pelham — CompleteAuthor: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: November 23, 2004
- Pelham — Volume 01Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Pelham — Volume 02Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Pelham — Volume 03Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Pelham — Volume 04Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Pelham — Volume 05Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Pelham — Volume 06Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Pelham — Volume 07Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Pelham — Volume 08Author: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: March 1, 2005
- Pelle the Conqueror — CompleteAuthor: Martin Andersen Nexø, Bernard Miall, Muir, Jessie [Translator]Released on Project Gutenberg: March 1, 2005
- Pelle the Conqueror — Volume 01Author: Martin Andersen Nexø, Muir, Jessie [Translator]Released on Project Gutenberg: March 1, 2005
- Pelle the Conqueror — Volume 02Author: Martin Andersen Nexø, Bernard MiallReleased on Project Gutenberg: March 1, 2005
- Pelle the Conqueror — Volume 03Author: Martin Andersen Nexø, Bernard MiallReleased on Project Gutenberg: March 1, 2005
- Pelle the Conqueror — Volume 04Author: Martin Andersen Nexø, Muir, Jessie [Translator]Released on Project Gutenberg: March 1, 2005
- PellucidarAuthor: Edgar Rice BurroughsReleased on Project Gutenberg: July 1, 1996
- Pembroke: A NovelAuthor: Mary Eleanor Wilkins FreemanReleased on Project Gutenberg: December 31, 2005
- Pen Drawing: An Illustrated TreatiseAuthor: Charles Donagh MaginnisReleased on Project Gutenberg: January 12, 2006
- Penelope and the Others: Story of Five Country ChildrenAuthor: Amy Walton, L. Leslie (Leonard Leslie) BrookeReleased on Project Gutenberg: April 27, 2007
- Penelope's English Experiences: Being Extracts from the Commonplace Book of Penelope HamiltonAuthor: Kate Douglas Smith WigginReleased on Project Gutenberg: April 1, 1998
- Penelope's Experiences in Scotland: Being Extracts from the Commonplace Book of Penelope HamiltonAuthor: Kate Douglas Smith WigginReleased on Project Gutenberg: February 1, 1998
- Penelope's Irish ExperiencesAuthor: Kate Douglas Smith WigginReleased on Project Gutenberg: July 1, 1998
- Penelope's PostscriptsAuthor: Kate Douglas Smith WigginReleased on Project Gutenberg: August 1, 1999
- Penguin IslandAuthor: Anatole FranceReleased on Project Gutenberg: February 26, 2006
- Pennsylvania Pilgrim, and other poems: Part 6 From Volume I of The Works of John Greenleaf WhittierAuthor: John Greenleaf WhittierReleased on Project Gutenberg: December 1, 2005
- Penny PlainAuthor: O. DouglasReleased on Project Gutenberg: June 28, 2004
- PenrodAuthor: Booth TarkingtonReleased on Project Gutenberg: March 15, 2006