Og - Son of Fire By: Irving Crump

Old Adam By: Arnold Bennett

On A Donkey's Hurricane Deck By: Robert Pitcher Woodward

On the Iron at Big Cloud By: Frank L. Packard

On the Yukon Trail By: Roy J. Snell

Once a Week By: A. A. Milne

Ottawa Folk Festival Robert Service Collection By: Robert W. Service

Outdoor Chums in the Big Woods By: Edward Stratemeyer

Outdoor Girls Around the Campfire By: Laura Lee Hope

Outdoor Girls at Bluff Point By: Laura Lee Hope

Outdoor Girls at Foaming Falls By: Laura Lee Hope

Outdoor Girls at Ocean View By: Laura Lee Hope

Outdoor Girls at Rainbow Lake By: Laura Lee Hope

Outdoor Girls at the Hostess House By: Laura Lee Hope

Outdoor Girls at Wild Rose Lodge By: Laura Lee Hope

Outdoor Girls in a Motor Car By: Laura Lee Hope

Outdoor Girls in the Saddle By: Laura Lee Hope

Outlaw Jack By: Harry Hazelton

Owen Clancy's Run Of Luck By: Burt L. Standish

Ozoplaning with the Wizard of Oz By: L. Frank Baum

Passenger from Calais By: Arthur Griffiths

Pearl Maiden By: Henry Rider Haggard

Pee Wee Harris By: Percy Keese Fitzhugh

Pee-wee Harris F. O. B. Bridgeboro By: Percy Keese Fitzhugh

Pee-Wee Harris in Luck By: Percy Keese Fitzhugh

Pee-Wee Harris: Fixer By: Percy Keese Fitzhugh

People of the Mist By: H. Rider Haggard

Peril Finders By: George Manville Fenn

Phantom Town Mystery By: Grace May North

Phantoms of Reality By: Ray Cummings

Phoebe Daring By: L. Frank Baum

Pimpernel and Rosemary By: Baroness Emma Orczy

Plague of Pythons By: Frederik Pohl

Plain Living By: Rolf Boldrewood

Policeman Bluejay By: L. Frank Baum

Pony Rider Boys in Alaska By: Frank Gee Patchin

Pony Rider Boys in Louisiana By: Frank Gee Patchin

Pony Rider Boys in New England By: Frank Gee Patchin

Pony Rider Boys in New Mexico By: Frank Gee Patchin

Pony Rider Boys in the Grand Canyon By: Frank Gee Patchin

Pony Rider Boys in the Ozarks By: Frank Gee Patchin

Pony Rider Boys on the Blue Ridge By: Frank Gee Patchin

Pony Rider Boys with the Texas Rangers By: Frank Gee Patchin

Porgy By: DuBose Heyward

Power-House By: John Buchan

Prairie - A Tale By: James Fenimore Cooper

Prairie-Schooner Princess By: Mary Katherine Maule

Pride of Jennico By: Egerton Castle

Prisoner of the Mill By: Harry Hazelton

Purple Cloud By: Matthew Phipps Shiel

Purple Flame By: Roy J. Snell

Queen Zixi of Ix By: L. Frank Baum

Quest of the Golden Pearl By: John Robert Hutchinson

R. Holmes and Co. By: John Kendrick Bangs

Radio Boys in the Secret Service By: J. W. Duffield

Raiding with Morgan By: Byron A. Dunn

Rainbow Trail By: Zane Grey

Ralestone Luck By: Andre Norton

Ranch Girls at Boarding School By: Margaret Vandercook

Rangy Pete By: Guy Morton

Rebel Spurs By: Andre Norton

Red Cross Girls in Belgium By: Margaret Vandercook

Red Cross Girls in the British Trenches By: Margaret Vandercook

Red Cross Girls on the French Firing Line By: Margaret Vandercook

Red Cross Girls with Pershing to Victory By: Margaret Vandercook

Red Cross Girls with the Italian Army By: Margaret Vandercook

Red Cross Girls with the Stars and Stripes By: Margaret Vandercook

Red Masquerade By: Louis Joseph Vance

Red Runners By: Seckatary Hawkins

Regeneration of Lord Ernie By: Algernon Blackwood

Return to Gone-Away By: Elizabeth Enright

Rezanov By: Gertrude Atherton

Ride Proud, Rebel! By: Andre Norton

Rip Foster Rides the Gray Planet By: Harold L. Goodwin

Rival Pitchers of Oakdale By: Morgan Scott

Robbery Under Arms By: Rolf Boldrewood

Rock of Chickamauga By: Joseph Alexander Altsheler

Romance of a Mummy and Egypt By: Théophile Gautier

Roosevelt Bears By: Seymour Eaton

Rough and Ready OR Life Among the New York Newsboys By: Horatio Alger, Jr.

Roughing It in the Bush By: Susanna Moodie

Round The Fire Stories By: Sir Arthur Conan Doyle

Rover Boys in the Jungle By: Arthur M. Winfield

Rover Boys on the Great Lakes By: Arthur M. Winfield

Rover Boys Out West By: Arthur M. Winfield

Running Fox By: Elmer Russell Gregor

Rustlers, Beware! By: Arthur Chapman

Ruth Fielding at Briarwood Hall By: Alice B. Emerson

Sabotage in Space By: Carey Rockwell

Scalp Hunters By: Thomas Mayne Reid

Scarhaven Keep By: Joseph Smith Fletcher

Scouts of Stonewall By: Joseph Alexander Altsheler

Seckatary Hawkins in Cuba By: Seckatary Hawkins

Secret of Casa Grande By: Helen Randolph

Selected Works of E. Boyd Smith By: E. Boyd Smith

Seven Sleuths' Club By: Grace May North

Shades of the Wilderness By: Joseph Alexander Altsheler

Shadow By: Arthur Stringer

Shasta Of The Wolves By: Olaf Baker

Shipwreck: A Story for the Young By: Fr. Joseph Spillman