wrote INTRO.TO CONTRACTS...(LL) >CUSTOM< @ @
comprising 100 pages back in 2016.
Textbook and eTextbook are published under ISBN 1307286585 and 9781307286588.
Since then INTRO.TO CONTRACTS...(LL) >CUSTOM< @ @ textbook
was available to sell back to BooksRun online for the top buyback price
or rent at the marketplace.