73 The Transient Lake; or, Frank Reade. Jr.’s Adventures in a Mysterious Country.
74 The Galleon’s Gold; or, Frank Reade. Jr.’s Deep Sea Search.
75 The Lost Caravan; or, Frank Reade, Jr., on the Staked Plains.
76 Adrift in Asia With Frank Reade. Jr.
77 Under the Indian Ocean With Frank Reade, Jr.
78 Along the Orinoco; or, With Frank Reade, Jr., in Venezuela.
79 The Lost Navigators; or, Frank Reade, Jr.’s Mid-Air Search.
80 Six Sunken Pirates; or, Frank Reade, Jr.’s Marvelous Adventures in the Deep Sea.
81 The Island in The Air; or, Frank Reade, Jr.’s Trip to the Tropics.
82 In White Latitudes; or, Frank Reade, Jr.’s Ten Thousand Mile Flight.