| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The 52nd Floor: Thinking Deeply About Leadership | Hardcover | 978-0-9820185-0-7 (0-9820185-0-9) | 2010 | David A. Levy · James E. Parco |
| The 52nd Floor: Thinking Deeply About Leadership | Paperback | 978-0-9820185-3-8 (0-9820185-3-3) | 2008 | David A. Levy · James E. Parco |