018 The Twisted Claw
Franklin W. Dixon
08. The Mystery of Cabin Island
014 The Hidden Harbor Mystery
05. Hunting For Hidden Gold
057 The Firebird Rocket
017 The Secret Warning
036 The Secret of Pirates' Hill
045 The Mystery of the Spiral Bridge
04. The Missing Chums
016 A Figure in Hiding
12. Footprints Under the Window
040 Mystery of the Desert Giant
056 The Jungle Pyramid
011 While the Clock Ticked
027 The Secret of Skull Mountain
03. The Secret of the Old Mill
032 The Crisscross Shadow
042 The Viking Symbol Mystery
06. The Shore Road Mystery
052 The Shattered Helmet
047 Mystery of the Whale Tattoo
019 The Disappearing Floor
02. The House On the Cliff
029 The Secret of the Lost Tunnel
030 The Wailing Siren Mystery
01. The Tower Treasure
058 The Sting of the Scorpion
10. What Happened At Midnight
022 The Flickering Torch Mystery
053 The Clue of the Hissing Serpent
048 The Arctic Patrol Mystery
044 The Haunted Fort
039 The Mystery of the Chinese Junk
026 The Phantom Freighter
033 The Yellow Feather Mystery
015 The Sinister Signpost
050 Danger on Vampire Trail
054 The Mysterious Caravan
038 Mystery at Devil's Paw
037 The Ghost at Skeleton Rock
025 The Secret Panel
055 The Witchmaster's Key
028 The Sign of the Crooked Arrow
049 The Bombay Boomerang
043 The Mystery of the Aztec Warrior
046 The Secret Agent on Flight 101
024 The Short-Wave Mystery
051 The Masked Monkey
07. The Secret of the Caves
09. The Great Airport Mystery
035 The Clue in the Embers
13. The Mark On the Door
021 The Clue of the Broken Blade
023 The Melted Coins
031 The Secret of Wildcat Swamp
041 The Clue of the Screeching Owl
020 Mystery of the Flying Express