- Script:
- ?
- Pencils:
- ? (photos)
- Inks:
- ? (photos)
- Letters:
- typeset
- Characters:
- Mike Nelson (as played by Lloyd Bridges, photo)
- Synopsis:
- Preview of the first story.
Inside front cover; black and white. Three photos with typeset text.
- Script:
- Erich Freiwald, Robert Schaefer
- Pencils:
- Alex Toth
- Inks:
- Alex Toth
- Colors:
- ?
- Letters:
- ?
- Genre:
- adventure
- Characters:
- Mike Nelson; Dr. Ralph Davis; Danny Davis
- Synopsis:
- When a boat carrying scientists capsizes in the Amazon River, a waterproof trunk containing their records is lost, as are the scientists. The backer of the expedition hires Mike Nelson to search three miles of the Amazon to find the trunk.
Script, pencils, and inks credits for this sequence from Alberto Becattini (May 14, 2007).
- Script:
- Eric Freiwald; Robert Schaefer
- Pencils:
- Alex Toth
- Inks:
- Alex Toth
- Colors:
- ?
- Letters:
- ?
- Genre:
- adventure
- Characters:
- Mike Nelson; Jim Turner; Randy Peters
- Synopsis:
- A pair of teen boys run into trouble when the engine of their homemade submarine fails and leaves them stranded on the bottom of a lake.
Last panel is Dell's "A Pledge to Parents". Script, pencils, and ink credits for this sequence from Alberto Becattini (May 14, 2007).
- Script:
- Eric Freiwald; Robert Schaefer
- Pencils:
- Alex Toth
- Inks:
- Alex Toth
- Letters:
- typeset
- Genre:
- non-fiction
- Synopsis:
- Facts about the seas.
Inside back cover; black and white. Panels with text underneath. Script, pencils, and inks credits for this sequence from Alberto Becattini (May 14, 2007)
- Script:
- Eric Freiwald; Robert Schaefer
- Pencils:
- Alex Toth
- Inks:
- Alex Toth
- Colors:
- ?
- Letters:
- typeset
- Genre:
- non-fiction
- Synopsis:
- Facts about the dangers facing skin-divers and deep-sea divers.
Back cover. Panels with text underneath. Script, pencils, and inks credits for this sequence from Alberto Becattini (May 14, 2007).