wrote The Friedman Archives Guide to Sony's A7R III (B&W Edition)
comprising 708 pages back in 2019.
Textbook and eTextbook are published under ISBN 1387537148 and 9781387537143.
Since then The Friedman Archives Guide to Sony's A7R III (B&W Edition) textbook
was available to sell back to BooksRun online for the top buyback price
or rent at the marketplace.