Narcotics Anonymous: "It Works - How and Why" & "Step Working Guides"
| Country | USA |
| Brand | Cambridge University Press |
| Manufacturer | Cambridge University Press |
| Binding | Paperback |
| ItemPartNumber | black & white illustrations |
| UnitCount | 1 |
| EANs | 9780521717816 |
| ReleaseDate | 0000-00-00 |