The Smithsonian Air and Space Magazine has published an article titled “Beware the Black Widow” in the August 2016 edition of the magazine. It tells the story behind the birth of the Northrup P-61. You can pick up a printed copy of the magazine or read the article on the web at this link: Beware the Black Widow..
The August edition of the magazine also carries a story about the Foo Fighter phenomena. You can read the article on the web at this link: