The Flight of the Green Assassin

From Author Wars - https://authorwars.com/books/the-flight-of-the-green-assassin-1992648.html

Overview:

Title: The Flight of the Green Assassin
Author: Robert J. Hogan
Year: 1937
Type: Novels
Series: G-8
Number in Series: 48

Variant Titles:

2015. The Flight of the Green Assassin (Complete Novel)