Books about Friendship -- Juvenile fiction (sorted alphabetically)
- Two sailor lads : A story of stirring adventures on sea and land Gordon Stables
- Two Ways of Becoming a Hunter Harry Castlemon
- Two Whalers; Or, Adventures in the Pacific William Henry Giles Kingston
- Tytöistä parhain (Finnish) Louisa May Alcott
- Under the Lilacs Louisa May Alcott
- Vacation with the Tucker Twins Nell Speed
- Viking Boys Jessie Margaret Edmondston Saxby
- Virginia's Adventure Club Grace May North
- Voyages and Travels of Count Funnibos and Baron Stilkin William Henry Giles Kingston
- Ward Hill, the Senior Everett T. Tomlinson
- Watch—Work—Wait Sarah A. Myers
- Weatherby's Inning: A Story of College Life and Baseball Ralph Henry Barbour
- Weathercock: Being the Adventures of a Boy with a Bias George Manville Fenn
- Weggeloopen! (Dutch) James Buckland and Louis Desnoyers
- West Point Rivals: or, Mark Mallory's Stratagem Upton Sinclair
- West Point Treasure; Or, Mark Mallory's Strange Find Upton Sinclair
- What Happened at Quasi: The Story of a Carolina Cruise George Cary Eggleston
- What Two Children Did Charlotte E. Chittenden
- When Santiago Fell; or, The War Adventures of Two Chums Edward Stratemeyer
- Wide Awake Girls in Winsted Katharine Ellis Barrett
- Wild Adventures in Wild Places Gordon Stables
- Wild Adventures round the Pole Gordon Stables
- Winning his game Ralph Henry Barbour
- Winter Adventures of Three Boys in the Great Lone Land Egerton Ryerson Young
- Witch Winnie's Mystery, or The Old Oak Cabinet: The Story of a King's Daughter Elizabeth W. Champney