Now renamed as "Murder by Mail" this thriller demonstrates how a massive attack on the USA can be engineered for less than the cost of one battle tank and using unwitting contractors. In this story, German exchange student Klaus Hitz is hired to set up a mass mailing of a scratch and sniff sweepstakes, not knowing that the scratch cards contain a deadly virus. In a parallel plot free samples of a binary nerve gas are distributed as laundry detergent. How it unravels and what becomes of Klaus is he core of this exciting story.