Level 7
From Author Wars - https://authorwars.com/publications/level-7-102611.html
Overview:
- Title: Level 7
- Author: Mordecai Roshwald
- Year: 1959
- Publisher: McGraw-Hill
- Price: $3.75
- Pages: 186
- Binding: Hardcover
- Type: Novel
- Title Reference: Level 7
- Notes:
Price from Tuck Tuck and Clute give the date as 1960. Reginald1 gives it as 1959.