“Maria looked at the TARDIS... 'Is that really your carriage?' She asked. 'It is not very good, monsieur. It has no wheels.' 'It doesn't need them,' laughed Amy. 'It's an English carriage. They don't have wheels. 'Does Monsieur Rory push it?' 'When necessary,' laughed Amy.” Doctor WhoAmy PondRory WilliamsThe Tardis Book:Doctor Who: Dead of Winter Source: Doctor Who: Dead of Winter