'Tanner is a chiselled protagonist straight out of the pages of the old Commando comics. . . Destined to be a series that will run and run.' (Mail On Sunday) April 1940. The Nazi Blitzkrieg delivers a hammer blow to defenceless Norway. The few remaining British troops retreat in the fact of a remorseless German advance. For Sergeant Jack Tanner and his stranded patrol, it is a desperate rearguard action. With the odds stacked against…