Sports Sabotage
Franklin W. Dixon
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Spiked!
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Speed Times Five
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Spark of Suspicion
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The Smoke Screen Mystery
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Slam Dunk Sabotage
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The Skyfire Puzzle
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Sky Sabotage
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The Sky Blue Frame
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Skin And Bones
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The Sinister Signpost
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The Sign of the Crooked Arrow
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Sidetracked to Danger
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Showdown at Widow Creek
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The Short-Wave Mystery
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The Shore Road Mystery
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Ship of Secrets
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Shield of Fear
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Sheer Terror
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The Shattered Helmet
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Shadows at Predator Reef
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The Shadow Killers
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The Serpent's Tooth Mystery
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See No Evil
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The Secret Warning
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The Secret Panel
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The Secret of Wildcat Swamp
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The Secret Of The Soldier's Gold
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Secret of the Red Arrow
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The Secret of the Old Mill
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The Secret of the Lost Tunnel
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The Secret of the Island Treasure
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The Secret of the Caves
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The Secret of Skull Mountain
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The Secret Of Skeleton Reef
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The Secret Of Sigma Seven
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The Secret of Pirates' Hill
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The Secret Agent on Flight
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The Search For The Snow Leopard
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Screamers
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Scene of the Crime
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Sabotage at Sports City
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Running on Fumes
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Rough Riding
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The Rocky Road To Revenge
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Rocky Road
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A Rockin' Mystery
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Rock 'n' Roll Renegades
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Rock 'N' Revenge
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The Robot's Revenge
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Robot Rumble
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The Roaring River Mystery
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Rigged for Revenge
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Revenge of the Desert Phantom
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Return to Black Bear Mountain
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Reel Thrills
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Real Horror
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Radical Moves
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Racing to Disaster
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Pushed
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