From David's list on spies and espionage in WW2.
This is a sort of origin story for Breuer's characters, centered more tightly on a mid-1930s Nazi ring uncovered by the FBI's best investigator, Leon Turrou, and splashed across American newspapers’ front pages in 1938. Jeffreys-Jones' book, released in 2020, also shows why multi-stranded nonfiction has become a popular form.
Why should I read it?
What is this book about?
In the mid-1930s, just as the United States was embarking on a policy of neutrality, Nazi Germany launched a program of espionage against the unwary nation. Rhodri Jeffreys-Jones's fascinating history provides the first full account of Nazi spies in 1930s America and how they were exposed in a high-profile FBI case that became a national sensation.