At 8 PM on the night of June 12, 1942, the German submarine U202 arrived off Amagansett, Long Island, depositing four men and several heavy wooden boxes ashore. A few days later, another U-boat landed a similar group near Jacksonville, Florida. Those eight men had come to the United States expressly to sabotage defense work, start fires in metropolitan areas, and in other ways launch an intensive campaign against America's war-working population. The story of how they were chosen and trained by the Nazis for this vicious job, how they came to America's shores, and of how one of them---George Dasch---for complex reasons suddenly turned the whole group in to the FBI, makes such a suspenseful story it will appeal to thousands of readers. The author has dealt masterfully with his material. Through the actual operation, the arrests, and the long controversial trial which followed, he gathers much personal data about the saboteurs which creates interesting portraits of each man. Very well researched, and very well paced.