wrote Greystone Secrets #2: The Deceivers
comprising 448 pages back in 2020.
Textbook and eTextbook are published under ISBN 0062838407 and 9780062838407.
Since then Greystone Secrets #2: The Deceivers textbook
was available to sell back to BooksRun online for the top buyback price
of $ 1.41 or rent at the marketplace.