Sixth Column

From Author Wars - https://authorwars.com/publications/sixth-column-346882.html

Overview:

Title: Sixth Column
Author: Robert A. Heinlein
Year: 2012
ISBN-10: 9781451637700
Publisher: Baen Books
Price: $13.00
Pages: vii+183
Binding: Trade Paperback
Type: Novel
Title Reference: Sixth Column
Notes: Unknown