| 10 Short Lessons in Time Travel • anticexlibris.ro | 59.98 RON |
| 10 Short Lessons in Space Travel | Paul Parsons • carturesti.ro | 60.00 RON |
| 10 Short Lessons in Space Travel, Hardback - Paul Parsons • elefant.ro | 72.99 RON |
A fascinating and up-to-date tour of the workings of the universe that suggest the possibility of journeying back and forth through time.
