- The Book of Good Manners; a Guide to Polite Usage for All Social FunctionsAuthor: Walter Cox GreenReleased on Project Gutenberg: March 1, 2004
- The Book of Hallowe'enAuthor: Kelley, Ruth EdnaReleased on Project Gutenberg: February 21, 2007
- The Book of Household ManagementAuthor: Mrs. (Isabella Mary) BeetonReleased on Project Gutenberg: November 1, 2003
- The Book of Humorous VerseAuthor: Carolyn WellsReleased on Project Gutenberg: December 22, 2007
- The Book of Joyous ChildrenAuthor: James Whitcomb Riley, Will VawterReleased on Project Gutenberg: May 16, 2005
- The Book of Missionary HeroesAuthor: Basil MathewsReleased on Project Gutenberg: September 5, 2005
- The Book of MormonAuthor: Smith, Joseph, Jr., Church of Jesus Christ of Latter-day SaintsReleased on Project Gutenberg: June 25, 2008
- The Book of Nature MythsAuthor: Florence HolbrookReleased on Project Gutenberg: August 27, 2007
- The Book of NonsenseAuthor: Edward LearReleased on Project Gutenberg: July 1, 1997
- The Book of Noodles: Stories of Simpletons; or, Fools and Their FolliesAuthor: W. A. (William Alexander) CloustonReleased on Project Gutenberg: July 26, 2004
- The Book of Old English BalladsAuthor: George Wharton Edwards, Hamilton Wright MabieReleased on Project Gutenberg: December 1, 2005
- The book of one syllableAuthor: Esther BakewellReleased on Project Gutenberg: November 12, 2007
- The Book of Ornamental Alphabets, Ancient and Medieval, from the Eighth Century: With Numerals, including Gothic; Church Text, Large and: Small; German Arabesque; Initials for Illumination,: Monograms, Crosses, &c.Author: F. (Freeman) DelamotteReleased on Project Gutenberg: November 11, 2007
- The Book of SnobsAuthor: William Makepeace ThackerayReleased on Project Gutenberg: May 25, 2006
- The Book of Sports: Containing Out-door Sports, Amusements and Recreations, Including Gymnastics, Gardening & CarpenteringAuthor: William MartinReleased on Project Gutenberg: April 14, 2008
- The Book of TeaAuthor: Kakuzo OkakuraReleased on Project Gutenberg: January 1, 1997
- The Book of the Bush: Containing Many Truthful Sketches of the Early Colonial Life of Squatters, Whalers, Convicts, Diggers, and Others Who Left Their Native Land and Never ReturnedAuthor: George Dunderdale, Macfarlane, J. [Illustrator]Released on Project Gutenberg: July 24, 2005
- The Book of the CatAuthor: Elizabeth Fearne Bonsall, Humphrey, Mabel [Contributor]Released on Project Gutenberg: July 10, 2007
- The Book of the DamnedAuthor: Charles FortReleased on Project Gutenberg: August 31, 2007
- The Book of the DeadAuthor: Budge, E. A. Wallis (Ernest Alfred Wallis), SirReleased on Project Gutenberg: December 1, 2004
- The Book of the Epic: The World's Great Epics Told in StoryAuthor: H. A. (Hélène Adeline) Guerber, J. Berg (Joseph Berg) EsenweinReleased on Project Gutenberg: November 8, 2004
- The Book of the Thousand Nights and a Night — Volume 01 (of 10)Author: Burton, Richard Francis, SirReleased on Project Gutenberg: September 1, 2002
- The Book of the Thousand Nights and a Night — Volume 02 (of 10)Author: Burton, Richard Francis, SirReleased on Project Gutenberg: September 1, 2002
- The Book of the Thousand Nights and a Night — Volume 03 (of 10)Author: Burton, Richard Francis, SirReleased on Project Gutenberg: September 1, 2002
- The Book of the Thousand Nights and a Night — Volume 04 (of 10)Author: Burton, Richard Francis, SirReleased on Project Gutenberg: September 1, 2002
- The Book of the Thousand Nights and a Night — Volume 05 (of 10)Author: Burton, Richard Francis, SirReleased on Project Gutenberg: September 1, 2002
- The Book of the Thousand Nights and a Night — Volume 06 (of 10)Author: Burton, Richard Francis, SirReleased on Project Gutenberg: September 1, 2002
- The Book of the Thousand Nights and a Night — Volume 07 (of 10)Author: Burton, Richard Francis, SirReleased on Project Gutenberg: September 1, 2002
- The Book of the Thousand Nights and a Night — Volume 08 (of 10)Author: Burton, Richard Francis, SirReleased on Project Gutenberg: September 1, 2002
- The Book of the Thousand Nights and a Night — Volume 09 (of 10)Author: Burton, Richard Francis, SirReleased on Project Gutenberg: September 1, 2002
- The Book of the Thousand Nights and a Night — Volume 10 (of 10)Author: Burton, Richard Francis, SirReleased on Project Gutenberg: September 1, 2002
- The Book of the Thousand Nights and One Night, Volume IAuthor: John PayneReleased on Project Gutenberg: August 1, 2005
- The Book of the Thousand Nights and One Night, Volume IIAuthor: John PayneReleased on Project Gutenberg: August 1, 2005
- The Book of the Thousand Nights and One Night, Volume IIIAuthor: John PayneReleased on Project Gutenberg: August 1, 2005
- The Book of the Thousand Nights and One Night, Volume IVAuthor: John PayneReleased on Project Gutenberg: August 1, 2005
- The Book of Three Hundred Anecdotes: Historical, Literary, and Humorous—A New SelectionAuthor: VariousReleased on Project Gutenberg: March 19, 2005
- The Book of Were-WolvesAuthor: S. (Sabine) Baring-GouldReleased on Project Gutenberg: March 1, 2004
- The Book of WonderAuthor: Lord DunsanyReleased on Project Gutenberg: February 1, 2005
- The Book with the Yellow CoverAuthor: Wetterau, John MoncureReleased on Project Gutenberg: February 1, 2004
- The Book-Bills of Narcissus: An Account Rendered by Richard Le GallienneAuthor: Richard Le GallienneReleased on Project Gutenberg: January 1, 2004
- The Book-Hunter: A New Edition, with a Memoir of the AuthorAuthor: John Hill BurtonReleased on Project Gutenberg: July 24, 2007
- The Book-Hunter at HomeAuthor: P. B. M. (Philip Bertram Murray) AllanReleased on Project Gutenberg: September 22, 2007
- The Book-Hunter in London: Historical and Other Studies of Collectors and CollectingAuthor: W. (William) RobertsReleased on Project Gutenberg: September 15, 2007
- The Booklover and His BooksAuthor: Harry Lyman KoopmanReleased on Project Gutenberg: September 15, 2007
- The Books of the New TestamentAuthor: Leighton PullanReleased on Project Gutenberg: August 30, 2007
- The Booming of Acre Hill, and Other Reminiscences of Urban and Suburban LifeAuthor: John Kendrick Bangs, Charles Dana GibsonReleased on Project Gutenberg: February 1, 2004
- The Border Boys Across the FrontierAuthor: John Henry GoldfrapReleased on Project Gutenberg: August 19, 2006
- The Border LegionAuthor: Zane GreyReleased on Project Gutenberg: October 1, 2003
- The Border Watch: A Story of the Great Chief's Last StandAuthor: Joseph A. (Joseph Alexander) AltshelerReleased on Project Gutenberg: April 26, 2008
- The Bores: A Comedy in Three ActsAuthor: MolièreReleased on Project Gutenberg: October 1, 2004
- The Borgias: Celebrated CrimesAuthor: Alexandre DumasReleased on Project Gutenberg: September 22, 2004
- The BoroughAuthor: George CrabbeReleased on Project Gutenberg: March 1, 2004
- The Borough TreasurerAuthor: J. S. (Joseph Smith) FletcherReleased on Project Gutenberg: February 19, 2007
- The Boss and the Machine: A Chronicle of the Politicians and Party OrganizationAuthor: Samuel Peter OrthReleased on Project Gutenberg: January 1, 2002
- The Boss of Little ArcadyAuthor: Harry Leon Wilson, Rose Cecil O'NeillReleased on Project Gutenberg: December 1, 2003
- The Boss of the Lazy YAuthor: Charles Alden Seltzer, J. Allen (James Allen) St. JohnReleased on Project Gutenberg: August 10, 2006
- The Boston Terrier and All About It: A Practical, Scientific, and Up to Date Guide to the Breeding of the American DogAuthor: Axtell, EdwardReleased on Project Gutenberg: March 21, 2006
- The Bostonians, Vol. I (of II)Author: Henry JamesReleased on Project Gutenberg: November 5, 2006
- The Bostonians, Vol. II (of II)Author: Henry JamesReleased on Project Gutenberg: November 5, 2006
- The Botanic Garden, a Poem in Two Parts. Part 1: the Economy of VegetationAuthor: Erasmus DarwinReleased on Project Gutenberg: January 1, 2006