A graphic adventure in 4 parts from Thriller Picture Library #412, June 1962 - 64 pages.
It is May 1942 and the fighting in North Africa is going badly for the Allies, especially when a series of attacks on land convoys and patrols result in catastrophe. It becomes apparent that someone in Cairo is leaking movements to the enemies. David Doughty, Spy 13, is sent there to find out who it was.