Bob,
It is a book published on the FP 45 Liberator. Hard to find many years ago. If I recall it was $65 back then. Hardcover 8 1/2" x 5 1/2". Talks about design, production, operation, supposed distribution, has a picture of the instructions. Stuff like that.
I went to the Springfield Armory a couple years ago. They had one on display.
https://www.milsurps.com/images/impo..._zpsadaa-1.jpghttps://www.milsurps.com/images/impo..._zpsa1de-1.jpghttps://www.milsurps.com/images/impo..._zps59c5-1.jpg
https://www.milsurps.com/images/impo..._zps10c6-1.jpg
