Understanding Physics (Motion, Sound, and Heat / Light, Magnetism, and Electricity / The Electron, Proton, and Neutron)
| Country | USA |
| Brand | CROWN |
| Manufacturer | Crown |
| Binding | Hardcover |
| ItemPartNumber | 10-38825 |
| ReleaseDate | 1988-12-12 |
| UnitCount | 1 |
| EANs | 9780517543368 |