New York: Workers Library Publishers, [1938?]. 187p., worn wraps with edge chipping, chipping at upper right edge of first four pages (not affecting text). Witness testimonies and extracts from prosecution speeches.
"Plot" refers to the alleged Troskyist conspiracy with Hitler. "Trotsky has been a spy since 1921," see p.10. Alleges many anti-Soviet murders, such as the death of A. R. Gorky, suffering from lung aliments but forced to over-exercise, and housed with grippe-infected patients.