Terror on planet Ionus
By: Allen Adler.
Series: Paperback library science fiction
Publisher: Paperback Library
Published: 1966
Place of publication: New York
Language: eng
Number of pages: 160
Other titles: Mach I.
Notes: Former title: Mach 1.

Reprint of the edition published by Farrar, Straus and Cudahy in 1957.