This omnibus was first published by the SFBC in 1959, but it had a 1951 copyright date. This mislead collectors and bibliographers into believing that there was a Simon & Schuster trade edition in 1951.
- First edition thus (not stated)
- First printing has gutter code "A13" on page [528] indicating an April 1959 date.
- Subtitle "Three Complete Science Fiction novels" on both title page and spine
- verification copy has no DJ (DES)
- Primary 2 & 4 verification copy has DJ (TAW)
- Reprinted with the gutter code "A18"; "A51" [verified]; "B4"; "D13" [verified]; "D45" and "E43" [verified].
