wrote 113 Variations on Hymn Tunes for Organ
comprising 100 pages back in 2003.
Textbook and eTextbook are published under ISBN 1846095379 and 9781846095375.
Since then 113 Variations on Hymn Tunes for Organ textbook
was available to sell back to BooksRun online for the top buyback price
or rent at the marketplace.