Afterword/Letter
From Author Wars - https://authorwars.com/books/afterwordletter-1954417.html
Editions/Publications:
- Unknown. Visionary: The Odyssey of Sir Arthur C. Clarke (Unknown, Tom Hanks, Clarke Project, ISBN-10: 9780615513690, $150.00, 432 pages, Hardcover, Non-fiction)
- 2012 . Visionary: The Odyssey of Sir Arthur C. Clarke (2012, Tom Hanks, Clarke Project, ISBN-10: 9780615553221, $85.00, 413 pages, Trade Paperback, Non-fiction)