wrote The Gig Bag Book Of Bass Scales (Gig Bag Books)
comprising 176 pages back in 1997.
Textbook and eTextbook are published under ISBN 082561595X and 9780825615955.
Since then The Gig Bag Book Of Bass Scales (Gig Bag Books) textbook
was available to sell back to BooksRun online for the top buyback price
or rent at the marketplace.