Ruth Fielding on the St. Lawrence The Queer Old Man of the Thousand Islands 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

Sea-Dogs All! A Tale of Forest and Sea By: Tom Bevan

Secret of Casa Grande By: Helen Randolph

Shades of the Wilderness By: Joseph Alexander Altsheler

Shasta Of The Wolves By: Olaf Baker

Shenanigans at Sugar Creek By: Paul Hutchens

Silver Horde By: Rex Beach

Sintram and His Companions By: Friedrich de la Motte Fouqué

Skylark Three By: E. E. Smith

Smoky God or a Voyage to the Inner World By: Willis George Emerson

Smugglers' Reef By: Harold L. Goodwin

Snarleyyow By: Frederick Marryat

Snow Shoes and Canoes The Early Days of a Fur-Trader in the Hudson Bay Territory By: William Henry Giles Kingston

Soldiers of Fortune By: Richard Harding Davis

Son of Power By: Will Levington Comfort

South Sea Tales By: Jack London

Space Platform By: Murray Leinster

Starlight Ranch And Other Stories Of Army Life On The Frontier By: Charles King

Status Quo By: Dallas McCord Reynolds

Steve Young By: George Manville Fenn

Stories of Ships and the Sea By: Jack London

Submarine Boys and the Middies By: Victor G. Durham

Submarine Boys and the Spies By: Victor G. Durham

Submarine Boys on Duty By: Victor G. Durham

Submarine Boys' Lightning Cruise By: Victor G. Durham

Submarine Boys' Trial Trip By: Victor G. Durham

Sunk at Sea By: Robert Michael Ballantyne

Sunset Pass or Running the Gauntlet Through Apache Land By: Charles King