- Script
- ?
- Pencils
- Jim Mooney
- Inks
- Jim Mooney
- Letters
- ?
- Editing
- Whitney Ellsworth (credited original editor)
- Genre
- science fiction
- Characters
- Professor Eric Fielding; Joe Hiller; Dr. Susan Acres; Professor J.A. Pringle
- Synopsis
- A reporter and two scientists use a digging machine to search for a scientist who went missing while exploring a volcano.
- Reprints
- Keywords
- volcano
DC logos and “House of Mystery” banner removed from each page of story (none on p. 8). Last page of original story artwork extended and altered to make it into 8 pages instead of 7.67.
- Script
- ?
- Pencils
- Sheldon Moldoff
- Inks
- Sheldon Moldoff
- Letters
- Pat Gordon
- Editing
- Jack Schiff (original editor); Murray Boltinoff (original associate editor); George Kashdan (original associate editor)
- Genre
- science fiction
- Characters
- Hydo; Shaxor
- Reprints
- Keywords
- inventions
DC logos and “House of Mystery” banner removed from every page of story. Last page of original story artwork extended and altered to make it into 6 pages instead of 5.67.
- Script
- ?
- Pencils
- Lou Cameron
- Inks
- Lou Cameron
- Letters
- ?
- Editing
- Whitney Ellsworth (credited original editor)
- Characters
- Fred Kane; Professor Peters
- Reprints
- Keywords
- oxygen
DC logos and “House of Secrets” banner removed from each page of story (none on p. 6). Last page of original story artwork extended and altered to make it into 6 pages instead of 5.67.
- Script
- Gardner Fox
- Pencils
- Gil Kane
- Inks
- Bernard Sachs
- Letters
- ?
- Editing
- Julius Schwartz (original editor)
- First Line of Dialogue or Text
- Our train is going to land on this planet--outside our solar system!
- Genre
- science fiction
- Characters
- Bobby; Nell (Bobby's mother); Bobby's father; Mrs Alson (old lady passenger); Vectus (friendly alien)
- Synopsis
- A group of humans on a train are transported across the universe to Almoran. At the same time a group of Almoran aliens are sent to Earth disguised as Earthlings. The humans and Almorans are flashed by a ray from an enemy spaceship causing the Almorans to fall asleep. The humans pretend to be asleep and then defeat the attackers. The Almorans reward the Earth people by allowing them to keep their memories of the adventure but place a mental block on them to prevent them from talking about it.
- Reprints
- Keywords
- railroads; spaceship; trains
DC logos and “Mystery in Space” banner removed from each page of story (none on p. 1). p. 1: words “ of the American West” changed to “of our country”. p. 2: words: “There are no more wild Indians!” changed to “There aren’t any wild Indians here!”. p. 3: words “the alien vacationers are marveling at the Grand Canyon” changed to “the alien vacationers are marvelling at the scenic wonders”. Last page of original story artwork extended and altered to make it into 10 pages instead of 9.67.
- Script
- ?
- Pencils
- Mort Meskin
- Inks
- George Roussos
- Letters
- ?
- Editing
- Whitney Ellsworth (credited original editor)
- Genre
- science fiction
- Characters
- Luke; Professor Norton
- Reprints
DC logos and “House of Mystery” banner removed from each page of story (none on p. 8). p. 3, 5: word “jail” changed to “gaol”. Last page of original story artwork extended and altered to make it into 8 pages instead of 7.67.
- Script
- ?
- Pencils
- George Roussos
- Inks
- George Roussos
- Letters
- ?
- Editing
- Whitney Ellsworth (original editor)
- Characters
- Vincent Craig
- Reprints
DC logos and “House of Secrets” banner removed from every page of story. p. 6: words “Blast those ancients wizards!” changed to “Curse those ancient wizards!”. Last page of original story artwork extended and altered to make it into 6 pages instead of 5.67.
- Script
- ?
- Pencils
- Howard Purcell (signed)
- Inks
- Howard Purcell (signed)
- Letters
- ?
- Editing
- Whitney Ellsworth (credited original editor)
- Genre
- science fiction
- Characters
- Ezz; Rhanga; Fazza
- Reprints
- Keywords
- Venus
DC logos and “Tales of the Unexpected” banner removed from each page of story (none on p. 6). Last page of original story artwork extended and altered to make it into 6 pages instead of 5.67.
- Script
- ?
- Pencils
- Ruben Moreira (signed)
- Inks
- Ruben Moreira (signed)
- Letters
- ?
- Editing
- Whitney Ellsworth (credited original editor)
- Genre
- detective-mystery
- Characters
- Captain Hercule; Monsieur Varon; Jacques; Major Marouf
- Reprints
- Keywords
- animal trainers; circuses; gorillas; ringmasters
DC logos and “House of Secrets” banner removed from every page of story.
- Script
- ?
- Pencils
- Nick Cardy
- Inks
- Nick Cardy
- Letters
- ?
- Editing
- Whitney Ellsworth (credited original editor)
- Genre
- science fiction
- Reprints
- Keywords
- Mars; Martians; movies
DC logos and “Tales of the Unexpected” banner removed from every page of story. p. 6: words “They paid us in good old American money!” changed to “They paid us in good old Australian money!”
- Script
- ?
- Pencils
- Mort Meskin
- Inks
- Mort Meskin
- Letters
- ?
- Editing
- Jack Schiff (original editor); Murray Boltinoff (original associate editor); George Kashdan (original associate editor)
- Genre
- science fiction
- Characters
- Doctor Klrg
- Reprints
- Keywords
- boycotts; gases; radon
The year 2260. DC logos and “Tales of the Unexpected” banner removed from every page of story. Last page of original story artwork extended and altered to make it into 8 pages instead of 7.67.
- Script
- ?
- Pencils
- Nick Cardy
- Inks
- Nick Cardy
- Letters
- ?
- Editing
- Jack Schiff (original editor); Murray Boltinoff (original associate editor); George Kashdan (original associate editor)
- Genre
- fantasy-supernatural
- Characters
- Jamison; Roland Petry; Juan
- Synopsis
- Wealthy Roland Petry engages an explorer to find a fabled magic belt which will bestow super-powers on anyone who wears it.
- Reprints
- Keywords
- belts
DC logos and “My Greatest Adventure” banner removed from each page of story (none on p. 1). p. 2: Words “$10,000” changed to “£10,000”. p. 7: word “check” changed to “cheque”. Last page of original story artwork extended and altered to make it into 8 pages instead of 7.67.
- Script
- ?
- Pencils
- George Roussos
- Inks
- George Roussos
- Letters
- ?
- Editing
- Whitney Ellsworth (credited original editor)
- Characters
- Captain Wade; Vitar; Lor-el
- Reprints
- Keywords
- radium
DC logos and “House of Secrets” banner removed from each page of story (none on p. 6). Last page of original story artwork extended and altered to make it into 6 pages instead of 5.67.
- Script
- ?
- Pencils
- Doug Wildey
- Inks
- Doug Wildey
- Letters
- ?
- Editing
- Whitney Ellsworth (original editor)
- Genre
- fantasy-supernatural
- Characters
- Don Barker; Jane
- Synopsis
- In order to receive great fortune, Don Barker must reject three lesser strokes of good luck.
- Reprints
- Keywords
- luck
DC logos and “House of Secrets” banner removed from each page of story (none on p. 6). p. 2: words “$25,000” changed to “£25,000”. p. 3: words “a million dollars worth of rare pearls in these parts in 1675” changed to “a million pounds worth or rare pearls in these parts”. Last page of original story artwork extended and altered to make it into 6 pages instead of 5.67.
- Script
- ?
- Pencils
- Nick Cardy
- Inks
- Nick Cardy
- Letters
- ?
- Editing
- Jack Schiff (original editor); Murray Boltinoff (original associate editor); George Kashdan (original associate editor)
- Genre
- science fiction
- Characters
- Denrod; Rogger; General Broome; Mr. Walker
- Reprints
- Keywords
- comets
DC logos and “House of Mystery” banner removed from each page of story (none on p. 1). p. 4: word “jail” changed to “gaol”. Last page of original story artwork extended and altered to make it into 6 pages instead of 5.67.