| Issue | #11 |
| Published | January-February 1952 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | William M. Gaines |
| Genre | Science Fiction |
| Pencils | Al Feldstein (signed) |
| Inks | Al Feldstein (signed) |
| Reprinted | in Weird Science (Gemstone, 1994 series) #11 (March 1995); In Vault of Horror (Russ Cochran, 1991 series) #5 |
| Script | Al Feldstein |
| Letters | typeset |
| Notes | EC Artist of the Issue |
| Characters | R. M. Lamont |
| Synopsis | A corporate mining company accidentally destroys all life on Earth while trying to give the Moon an atmosphere. |
| Genre | science fiction |
| Script | Al Feldstein |
| Pencils | Wally Wood (signed) |
| Inks | Wally Wood (signed) |
| Colors | Marie Severin |
| Reprinted | in Weird Science (Gemstone, 1994 series) #11 (March 1995); In Vault of Horror (Russ Cochran, 1991 series) #5 |
| Characters | Andrew Harmon; Miss Landers |
| Synopsis | Romance develops between Andrew Harmon and Miss Landers while they are employed to help educate an electronic brain. |
| Genre | science fiction |
| Script | Al Feldstein |
| Pencils | Jack Kamen (signed) |
| Inks | Jack Kamen (signed) |
| Colors | Marie Severin |
| Reprinted | in Weird Science (Gemstone, 1994 series) #11 (March 1995); In Vault of Horror (Russ Cochran, 1991 series) #5 |
| Pencils | ? (spot illo) |
| Inks | ? (spot illo) |
| Colors | ? (spot illo) |
| Letters | typeset |
| Reprinted | in Weird Science (Gemstone, 1994 series) #11 (March 1995); In Vault of Horror (Russ Cochran, 1991 series) #5 |
| Characters | Raymond Williams Jr; Doctor Vandeveer Hybolt; Martha Anders; Mr. Axel |
| Synopsis | Raymond Williams Jr. is transported 25 years into the past where he discovers why his father left the family abruptly after he was born. |
| Genre | science fiction |
| Script | Al Feldstein |
| Pencils | Joe Orlando (signed) |
| Inks | Joe Orlando (signed) |
| Colors | Marie Severin |
| Reprinted | in Weird Science (Gemstone, 1994 series) #11 (March 1995); In Vault of Horror (Russ Cochran, 1991 series) #5 |
| Characters | Captain Becker; Vaughn |
| Synopsis | Vaughn learns about cruelty to animals after the spaceship his is part of the crew of crashes on another planet. |
| Genre | science fiction |
| Script | Al Feldstein |
| Pencils | Joe Orlando (signed) |
| Inks | Joe Orlando (signed) |
| Colors | Marie Severin |
| Reprinted | in Weird Science (Gemstone, 1994 series) #11 (March 1995); In Vault of Horror (Russ Cochran, 1991 series) #5 |