Author: Murray Leinster
Publisher: Avon
Year: 1960 Print 1 Cover Price: $.35
Condition: Very Good. Light wear. 
Genre: Science Fiction
Pages: 143
120121035E

Avon Books, 1960. Mass market paperback original novel. the story presents the theme of the lone inventor who saves Earth from cosmic danger. Basis of a truly terrible movie, "The Terrornauts" (1967).