- Joe Strong the Boy Fire-Eater; Or, The Most Dangerous Performance on RecordAuthor: Barnum, VanceLanguage: English
- Joe Strong, the Boy Fish; or, Marvelous Doings in a Big TankAuthor: Barnum, VanceLanguage: English
- Joe the Hotel Boy; Or, Winning out by PluckAuthor: Alger, Horatio, Jr.Language: English
- Joe's Luck; Or, Always Wide AwakeAuthor: Alger, Horatio, Jr.Language: English
- Johan Doxa: Vier herinneringen aan een Brabantschen GothiekerAuthor: Herman TeirlinckLanguage: Dutch
- John Bull on the Guadalquivir: From "Tales from All Countries"Author: Anthony TrollopeLanguage: English
- John CaldigateAuthor: Anthony TrollopeLanguage: English
- John Corwell, Sailor and Miner; and, Poisonous Fish: 1901Author: Louis BeckeLanguage: English
- John EnderbyAuthor: Gilbert ParkerLanguage: English
- John Frewen, South Sea Whaler: 1904Author: Louis BeckeLanguage: English
- John Halifax, GentlemanAuthor: Dinah Maria Mulock CraikLanguage: English
- John Henry Smith: A humorous romance of outdoor lifeAuthor: Frederick Upham AdamsLanguage: English
- John Jagon henki tahi kuollutko vai elävä?Author: Wilkie Collins, Anton Oskar ForsmanLanguage: Finnish
- John of the WoodsAuthor: Abbie Farwell BrownLanguage: English
- John Splendid: The Tale of a Poor Gentleman, and the Little Wars of LornAuthor: Neil MunroLanguage: English
- John Ward, PreacherAuthor: Margaret Wade Campbell DelandLanguage: English
- John Wesley, Jr.: The Story of an ExperimentAuthor: Dan B. (Dan Brearley) BrummittLanguage: English
- JonahAuthor: Louis StoneLanguage: English
- Jonas on a Farm in WinterAuthor: Jacob AbbottLanguage: English
- Joris Komijn op de Tentoonstelling: Humoristische schets van Justus van MaurikAuthor: Justus van MaurikLanguage: Dutch
- Jorrocks' Jaunts and JollitiesAuthor: Robert Smith SurteesLanguage: English
- Joseph Andrews, Vol. 1Author: Henry FieldingLanguage: English
- Joseph Andrews, Vol. 2Author: Henry FieldingLanguage: English
- JoululahjatAuthor: Theodolinda HahnssonLanguage: Finnish
- Joulun-aattoAuthor: Charles Dickens, Waldemar ChurbergLanguage: Finnish
- Joy in the MorningAuthor: Mary Raymond Shipman AndrewsLanguage: English
- Joyce of the North WoodsAuthor: Harriet T. (Harriet Theresa) Comstock, John Harmon CasselLanguage: English
- Joyce's Investments: A Story for GirlsAuthor: Fannie E. (Fannie Ellsworth) NewberryLanguage: English
- Juan Masili o Ang pinuno ng tulisanAuthor: Patricio MarianoLanguage: Tagalog
- JuanaAuthor: Honoré de Balzac, Katharine Prescott WormeleyLanguage: English
- Juanita La LargaAuthor: Juan ValeraLanguage: Spanish
- Jude the ObscureAuthor: Thomas HardyLanguage: English
- Judith of Blue Lake RanchAuthor: Jackson Gregory, W. Herbert DuntonLanguage: English
- Judith of the Godless ValleyAuthor: Honoré MorrowLanguage: English
- Judith of the PlainsAuthor: Manning, Marie, -Language: English
- JudyAuthor: Temple BaileyLanguage: English
- Judy of York HillAuthor: Ethel Hume Bennett, Harold James CueLanguage: English
- JuhaAuthor: Juhani AhoLanguage: Finnish
- Julia And Her Romeo: A Chronicle Of Castle Barfield: From "Schwartz" by David Christie MurrayAuthor: David Christie MurrayLanguage: English
- Julia The ApostateAuthor: Josephine Daskam BaconLanguage: English
- Julian HomeAuthor: F. W. (Frederic William) FarrarLanguage: English
- Juoseppi lumessa: eli onnettomuus vaihtelehtaa onneksiAuthor: Berthold Auerbach, Malakias CostianderLanguage: Finnish
- Jurgen: A Comedy of JusticeAuthor: James Branch CabellLanguage: English
- Just DavidAuthor: Eleanor H. (Eleanor Hodgman) PorterLanguage: English
- Just PattyAuthor: Jean Webster, C. M. (Charles M.) RelyeaLanguage: English
- Justice in the By-Ways, a Tale of LifeAuthor: F. Colburn (Francis Colburn) AdamsLanguage: English
- Justicia Nang DiosAuthor: Sequera, MarianoLanguage: Tagalog
- Jutelmia läheltä ja kaukaa I: Etelän ja Pohjoisen Tytär; Punainen LähdeAuthor: Pietari HannikainenLanguage: Finnish
- Järkimiehet miettimässäAuthor: Kaarlo HemmoLanguage: Finnish
- JäämerelläAuthor: Franz HoffmannLanguage: Finnish
- KAuthor: Mary Roberts RinehartLanguage: English
- Kahden talonpojan ulkomaan-matkaAuthor: Fritz ReuterLanguage: Finnish
- Kahleeton vanki: Elämäkerrallinen kuvausAuthor: Heikki MeriläinenLanguage: Finnish
- Kai Lung's Golden HoursAuthor: Ernest Bramah, Hilaire BellocLanguage: English
- Kaksi laukaustaAuthor: Holger Drachmann, Elisabeth LöfgrenLanguage: Finnish
- Kaleri-orja: Kertomus rahvaan perheilleAuthor: Heinrich ZschokkeLanguage: Finnish
- Kalitan, Our Little Alaskan CousinAuthor: Nixon-Roulet, Mary F., -Language: English
- Kapteenin tytärAuthor: Aleksandr Sergeevich Pushkin, Samuli SuomalainenLanguage: Finnish
- Karlo: Facila Legolibro por la Lernado de EsperantoAuthor: Edmond PrivatLanguage: Esperanto
- Kate Bonnet: The Romance of a Pirate's DaughterAuthor: Frank R. Stockton, Arthur Ignatius Keller, Harry Spafford PotterLanguage: English