Cosimo Classics · John Wiley & Sons · Marketplace Books
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Art of Speculation | 978-0-471-18188-0 (0-471-18188-9) | 1997 |
| The Art of Speculation | 978-1-60206-711-0 (1-60206-711-2) | 2007 |
| The Art of Speculation, Original Classic Edition | 978-1-59280-261-6 (1-59280-261-3) | 2007 |