Fleetway Publications Ltd., 1970.
Volume 31, October, Number 10
Contains 'The blackmailing of Mr. Justice Ball' by Michael Gilbert.
Fleetway Publications Ltd., 1969.
Volume 30, October, Number 10
Contains 'Sirocco' by Patrick Turnbull.
Fleetway Publications Ltd., 1970.
Volume 31, April, Number 4
Contains 'The system' by Michael Gilbert, and 'The intercom conspiracy. Part 2' by Eric Ambler.