wrote 30 Second Mysteries: Vol. I & II Slipcase (Spinner Books)
comprising pages back in 2006.
Textbook and eTextbook are published under ISBN 1575289709 and 9781575289700.
Since then 30 Second Mysteries: Vol. I & II Slipcase (Spinner Books) textbook
was available to sell back to BooksRun online for the top buyback price
or rent at the marketplace.