In This True-Life Spy Story, It’s America vs. Russia, the Early Years. Blum, Howard, Books and Literature, Espionage and Intelligence Services, Cold War Era, Cryptography, Codes and Ciphers, Rosenberg, Ethel, Rosenberg, Julius, In the Enemy's House: The Secret Saga of the FBI Agent and the Code Breaker Who Caught the Russian Spies (Book)