If: Worlds of Science Fiction, April 1957 (Vol. 7, No. 3)
Paperback
details (
USA
).
ISBN: 978-1-4156-5704-1
ISBN-10: 1-4156-5704-1
Quinn Publishing Co.
See also (possibly by other authors):
1958
Paperback
If Worlds of Science Fiction April 1958 (No. 3, Volume 8)
