The principles of riding : the official instruction handbook of the German National Equestrian Federation
| Country | USA |
| Brand | Martingale |
| Manufacturer | Martingale |
| Binding | Paperback |
| ItemPartNumber | new18-0419_2016-b0012220 |
| ReleaseDate | 2009-06-15 |
| UnitCount | 1 |
| UPCs | 744527102648 |
| EANs | 9781564771490 |