Looks like an outstanding find.
If someone is interested in pursuing the subject further, for cheap, here is another:
A Time For Trumpets: The Untold Story of the Battle of the Bulge. $2.99.
The book may be a case of TMI, however--it has 931 pages.
https://www.amazon.com/Time-Trumpets...d_i=B082XGLWSQ