Mission Underground

From Author Wars - https://authorwars.com/publications/mission-underground-551992.html

Overview:

Title: Mission Underground
Author: Norbert Casteret
Year: 1968
ISBN-10: 0245591923
Publisher: George G. Harrap & Co.
Price: 16/-
Pages: 140
Binding: Hardcover
Type: Novel
Title Reference: Mission Underground
Notes: Adapted and {{tr|Antonia Ridge}}.