TRANSFORMERS EarthSpark 1-Step Smash Changers Optimus Prime 4-Inch Action Figure, Robot Toys for Boys and Girls 6 and Up
| Country | USA |
| Brand | Brookings Institution Press |
| Manufacturer | Brookings Institution Press |
| Binding | Paperback |
| ItemPartNumber | black & white illustrations |
| ReleaseDate | 1997-04-01 |
| UnitCount | 1 |
| EANs | 9780815754756 |