出版商 TwoPenny Publications

Cover for Sam Penny · Broken River: Book 2 of the 7.9 Scenario (Paperback Book) (2004)

Broken River: Book 2 of the 7.9 ... (2004)

Cover for Sam Penny · Memphis 7.9 (Revised): Book 1 of the 7.9 Scenario (Paperback Book) [Revised edition] (2005)

Revised edition

Memphis 7.9 (Revised): Book 1 of... (2005)

Cover for Sam Penny · Was a Time When: a Novel That Asks, "What Happens When, Not If, Resource Depletion, Population Pressures, and Climate Change Push the World of Our Grandchildren into a Great Collapse?" (Paperback Book) (2012)

Was a Time When: a Novel That As... (2012)