Astounding Science-Fiction April 1940
| Periodical Title | Astounding Science-Fiction |
| Editor | John W. Campbell, Jr. |
| Publisher | Street And Smith Publications, Inc. |
| Copyright Holder | Street And Smith Publications, Inc. |
| Cover Artist | Hubert Rogers |
| Contributing Writer | L. Ron Hubbard, Ross Rocklynne, A. E. van Vogt, Leigh Brackett, Lester del Rey, Malcolm Jameson |
| Format | Pulp Magazine |
| Language | English |
| Location | US |
| Cover Date | 1940 |
| Pages / Font | 162 pages |
| Volume Number | XXV |
| Issue Number | 2 |
Added by AntiquesBlock · Last edited by Supernaut1970