The Challenger Sale: Taking Control of the Customer Conversation
| Country | USA |
| Brand | Portfolio |
| Manufacturer | Portfolio |
| Binding | Hardcover |
| PartNumber | 9781591842262 |
| Color | Silver |
| IsAdultProduct | |
| Height | 9.48817 |
| Length | 6.2992 |
| Weight | 1.07585583856 |
| Width | 1.02362 |
| ReleaseDate | 2008-10-30 |
| NumberOfItems | 1 |