Josef Jakobs SW3, on 4–5 August 1941. The trial was held "in camera" because the German agent had been apprehended in a highly classified intelligence operation known as the Double Cross System. The British were aware that Jakobs was coming because his arrival information had been passed on to MI5 by the Welsh nationalist and "Abwehr" double agent Arthur Owens. After a two-day trial which involved hearing the testimony of eight witnesses, Jakobs was found guilty of spying and sentenced to death. Jakobs's execution took place at the miniature rifle range in the grounds of the Tower of London on 15 August
Be an Interplanetary Spy referred to simply as Spy, and the story and illustrations almost always deliberately avoid identifying the Spy's gender or any specific physical characteristics, ensuring the widest possible chance of affinity between the Spy as character and the reader. Individual stories are stand-alone and do not need to be read in any particular order to succeed, however several characters recur throughout the series and earlier events are often referenced later on. Each novel presents an encapsulated crime or mystery to be solved, and the overall series charts the reader's progress up the ranks with a number of promotions being received over