| Issue | #139 |
| Published | April 1962 |
| Frequency | monthly |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Arrival date: 1962-02-27 (Bob Bailey, 2005-08-12) |
| Genre | science fiction |
| Pencils | Murphy Anderson |
| Inks | Murphy Anderson |
| Letters | Ira Schnapp |
| Synopsis | An expedition to Venus returns to Earth and inadvertently brings back seeds which produce giant plants which threaten to absorb all moisture on the planet. |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | Murphy Anderson |
| Inks | Murphy Anderson |
| Script | Julius Schwartz |
| Pencils | ? (logo illustration) |
| Inks | ? (logo illustration) |
| Colors | ? (logo illustration) |
| Letters | typeset |
| Notes | First letters page with letters of comment on the preceding issues. Letters submitted by Paul Gambaccini; Paul Seydor |
| Genre | superhero |
| Pencils | Curt Swan (illustrations) |
| Inks | Sheldon Moldoff; George Klein (illustrations) |
| Letters | Ira Schnapp |
| Notes | house ad for Superboy (DC, 1949 series) #96 and Superman (DC, 1939 series) #152 |
| Characters | Buzzy; Suzie |
| Synopsis | Buzzy and his friends learn about the backgrounds of their neighbors through their ethnic customs. |
| Genre | teen |
| Script | Jack Schiff |
| Pencils | Win Mortimer |
| Inks | Win Mortimer |
| Letters | Ira Schnapp |
| Notes | Published in cooperation with the National Social Welfare Assembly. Previously appeared in DC comics cover-dated November 1955. |
| Synopsis | Engineer Neil Hammond is transported to the planet Basna to help its people escape from a state of suspended animation caused by a strange gas cloud in space. |
| Genre | science fiction |
| Script | John Broome |
| Pencils | Sid Greene |
| Inks | Sid Greene |
| Letters | Sid Greene |
| Notes | Julius Schwartz appears on page 2, panel 2 as a policeman. Letters, Characters: Info by Bob Bailey, 2005-08-12 (Per Sandell ed.) |
| Genre | science fiction; superhero |
| Pencils | Carmine Infantino |
| Inks | Murphy Anderson |
| Letters | Ira Schnapp |
| Notes | house ad for Mystery in Space (DC, 1951 series) #75 [Adam Strange teams with the Justice League] |
| Synopsis | origin of the names of constellations Draco and Sagittarius |
| Genre | fact |
| Script | Julius Schwartz ? |
| Pencils | Morris Waldinger ? |
| Inks | Tommy Nicolosi ? |
| Synopsis | scientific inquiries from readers |
| Script | Julius Schwartz |
| Letters | typeset |
| Characters | A tree branch exhibited in the Space Museum relates to the successful defeat of an alien invasion. |
| Genre | science fiction |
| Script | Gardner Fox |
| Pencils | Carmine Infantino |
| Inks | Carmine Infantino |
| Letters | Gaspar Saladino ? |
| Genre | fact |
| Script | Julius Schwartz ? |