Fit at 50: Your Guide to a Stronger, Fitter, and Happier (Mid) Life in Just 6 Weeks
| Country | USA |
| Brand | Tor Books |
| Manufacturer | Tor Books |
| Binding | Hardcover |
| ItemPartNumber | 9780765383105 |
| ReleaseDate | 2015-10-06 |
| UnitCount | 1 |
| Format | Illustrated |
| UPCs | 783324907414 |
| EANs | 9780765383105 |