The Flickering Torch Mystery
Franklin W. Dixon
The Short-Wave Mystery
Short (1)
The Secret Panel
The Phantom Freighter
The Secret of Skull Mountain
The Sign of the Crooked Arrow
The Secret of the Lost Tunnel
The Wailing Siren Mystery
The Secret of Wildcat Swamp
The Crisscross Shadow
The Yellow Feather Mystery
The Shore Road Mystery
The Secret of Pirates' Hill
The Mystery of the Chinese Junk
The Missing Chums
The Clue in the Embers
Hunting for Hidden Gold
The Hooded Hawk Mystery
The Mark on the Door
The Ghost at Skeleton Rock
Mystery at Devil's Paw
The Tower Treasure
The House on the Cliff
The Secret Warning
Mystery of the Desert Giant
The Clue of the Screeching Owl
The Viking Symbol Mystery
The Disappearing Floor
The Mystery of Cabin Island
The Secret Agent on Flight 101
While the Clock Ticked
The Twisted Claw
The Clue of the Broken Blade
The Arctic Patrol Mystery
The Sinister Signpost
Mystery of the Flying Express
The Melted Coins
What Happened at Midnight
The Secret of the Caves
The Great Airport Mystery
Infinity Clue
Mystery Map