Adam is sent on a mission to the small Middle East state of Jebel Azrakh where several western agents have disappeared in an effort to find out what exactly is happening in the country which has turned into a fortress. Very soon Adam learns that power lies in the hands of a special cult known as the Pale Grey Men.

The Pale Grey Men

Author: Douglas V. Duff

Title: The Pale Grey Men

Series: Adam MacAdam

First Published by: Thomas Nelson & Sons

Place: London

Format: HC

Date: 1958



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