- Script
- Eric Freiwald; Robert Schaefer
- Pencils
- Russ Manning
- Inks
- Russ Manning
- Colors
- ?
- Letters
- Russ Manning
- Genre
- adventure
- Characters
- Mike Nelson; Buddy Todd; Professor Ruiz; Consuelo Ruiz; Raney
- Synopsis
- Mike flies to the Yucatan jungle to help two archaeologists explore a sacrificial pool in a recently discovered Mayan city.
- Reprints
Script and lettering identification by Alberto Becattini (January 2011).
- Script
- Eric Freiwald; Robert Schaefer
- Pencils
- Russ Manning
- Inks
- Russ Manning
- Colors
- ?
- Letters
- Russ Manning
- Genre
- adventure
- Characters
- Babcock (a fisherman); Skipper (a charter boat captain); Pedro (deck hand); Ruth Babcock
- Synopsis
- A vacationing fisherman tries to catch a marlin.
- Reprints
Script and lettering identification by Alberto Becattini (January 2011).
- Script
- Eric Freiwald; Robert Schaefer
- Pencils
- Russ Manning
- Inks
- Russ Manning
- Colors
- ?
- Letters
- Russ Manning
- Genre
- adventure
- Characters
- Mike Nelson; Ed Larkin (emergency manager); Frank; Bill; Peterson; Alice; Davis
- Synopsis
- Mike Nelson is hired to dynamite an old bridge in an effort to prevent a town from being flooded.
- Reprints
Script and lettering identification by Alberto Becattini (January 2011).
- Script
- ?
- Pencils
- Russ Manning
- Inks
- Russ Manning
- Colors
- ?
- Letters
- typeset
- Genre
- non-fiction
- Synopsis
- How water currents affect weather.
"Sea Hunt" header appears but no characters are present. Dell Pledge to Parents is the last panel on this page. Art identification by Alberto Becattini (January 2011).
- Script
- ?
- Pencils
- Russ Manning
- Inks
- Russ Manning
- Letters
- typeset
- Genre
- non-fiction
- Synopsis
- Story about advances in underwater exploration.
Inside back cover. "Sea Hunt" header appears but no characters are present.
- Script
- ?
- Pencils
- ?
- Inks
- ?
- Colors
- ?
- Letters
- typeset
- Genre
- non-fiction
- Synopsis
- Explanation of some valuable everyday products that come from the sea.
- Reprints
The sequence replaced with ad for Daisy Air Rifles in some copies.