Books about Conduct of life -- Juvenile fiction (sorted alphabetically)
- Three Boys; Or, The Chiefs of the Clan Mackhai George Manville Fenn
- Three Good Giants François Rabelais
- Three pretty maids Amy Ella Blanchard
- Three Young Ranchmen; or, Daring Adventures in the Great West Edward Stratemeyer
- Through by daylight : Or, the young engineer of the Lake Shore Railroad Oliver Optic
- Through Forest and Fire Edward Sylvester Ellis
- Through the Sikh War: A Tale of the Conquest of the Punjaub G. A. Henty
- Through Three Campaigns: A Story of Chitral, Tirah and Ashanti G. A. Henty
- Tim and Tip : or, The adventures of a boy and a dog James Otis
- Tip Lewis and His Lamp Pansy
- To Herat and Cabul: A Story of the First Afghan War G. A. Henty
- Tom Temple's Career Jr. Horatio Alger
- Tom Thatcher's Fortune Jr. Horatio Alger
- Tom, The Bootblack; or, The Road to Success Jr. Horatio Alger
- Tony, the Hero; Or, A Brave Boy's Adventures with a Tramp Jr. Horatio Alger
- Tony the Tramp; Or, Right is Might Jr. Horatio Alger
- Torn Bible; Or, Hubert's Best Friend Alice Somerton
- Toto's Merry Winter Laura Elizabeth Howe Richards
- Trading Susan Warner
- Tragedy of Wild River Valley Martha Finley
- Train Boy Jr. Horatio Alger
- Travels and Adventures of Little Baron Trump and His Wonderful Dog Bulger Ingersoll Lockwood
- Travels and Extraordinary Adventures of Bob the Squirrel Anonymous
- triumph over Midian A. L. O. E.
- Trumpeter Fred: A Story of the Plains Charles King