Yay, a book recommendation. Maybe Amazon hasn’t burned this one.
Heck, I am now buying direct from the author or publisher.
Here’s one for you, on another topic, but still involves intelligence.
Magic: The Untold Story of U.S. Intelligence and the Evacuation of Japanese Residents from the West Coast During Ww II
https://www.amazon.com/Magic-Intelligence-Evacuation-Japanese-Residents/dp/0960273611
Most of what you’ve been told about the reasons for the internment camps is lying by omission.