Both men pulled out books to read on the journey. Kingsley glanced at the Astronomer Royal's book and saw a vivid cover featuring a gun fight among desperados.
'Heaven knows what he'll be reading next,' thought Kingsley.
The Astronomer Royal looked at Kingsley's book and saw it was Herodotus' Histories.
My God, he'll be reading Thucydides next, thought the Astronomer Royal.