| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1991 | 978-0-9629610-0-7 | Jerry Vass | Soft selling in a hard world |
| 2001 | 978-0-9629610-1-4 | Jerry Vass | Soft Selling in a Hard World: Plain Talk on the Art of Persuasion |
| 2006 | 978-0-9629610-2-1 | Jerry Vass ยท Iris Herrin | Decoding the BS of Business, Selling to Executives |