Old Lumberman's Treasure Box - 1918 The Rover Boys Under Canvas, or, The Mystery of the Wrecked Submarine - 1919 The Rover Boys on a Hunt, or, The Mysterious House in the Woods - 1920 The Rover Boys in the Land of Luck, or, Stirring Adventures in the Oil Fields - 1921 The Rover Boys at Big Horn Ranch, or, The Cowboys' Big Roundup - 1922 The Rover Boys at Big Bear Lake, or, The Camps of the Rival Cadets - 1923 The Rover Boys Shipwrecked, or, A Thrilling Hunt for Pirates Gold - 1924 The Rover Boys on Sunset Trail, or, The Old Miner's Mysterious Message - 1925 The Rover Boys Winning a Fortune, or, Strenuous Days Ashore and Afloat - 1926 Putnam Hall series The Putnam Hall Cadets, or, Good Times In School and Out - 1901 The Putnam Hall Rivals, or, Fun and Sport Afloat and Ashore - 1906 The Putnam Hall Champions, or, Bound to Win Out - 1908 The Putnam Hall Rebellion, or, The Rival Runaways - 1909 The Putnam Hall Encampment, or, The Secret of the Old Mill - 1910 The Putnam Hall Mystery, or, The School Chums Strange Discovery - 1911 Some of these books are available for download free at Project Gutenberg. Main characters First series Dick, Tom and Sam Rover * Anderson, Randolph and Martha Rover * Lucy Stanhope Mary and John Laning Captain Victor Putnam Martin Harris Jack Wumble Jake Shaggam Ike Furner Minnie Sanderson * Dora Stanhope * Nellie and Grace Laning * Barton Pelter Hans Mueller * Frank Harrington Fred Garrison * Larry Colby * Harry Blossom Bart Conners George Granbury William "Tubby" Philander Tubbs John "Songbird" Powell * Will "Spud" Jackson Stanley Browne Bob Grimes Buddy Girk Arnold Baxter Andy Jimson Dan Baxter John "Mumps" Fenwick Josiah Crabtree * Jasper Grinder Bill Goss Jim Caven Jack Ness * Alexander Pop * Lew Flapp Sack Todd Gasper Pold Solly Jackson Tad Sobber Sid Merrick Jerry Koswell Bart Larkspur Dudd Flockley Jesse Pelter Second series Jack and Martha Rover Andy and Randy Rover Mary and Fred Rover May Powell Ruth Stevenson Annie Larkins Alice Strobell Colonel Laurence Colby (see Larry Colby in First Series) Phil Franklin Barney Stevenson Fred Stevenson Giford Garrison Dick "Spouter" Powell Dan Soppinger Will "Fatty" Hendry Walt Baxter Ned Lowe Asa Lemm Nappy Martell Slogwell "Slugger" Brown, Jr. Slogwell Brown Henry "Codfish" Stowell Bill Glutts