‘Africa was very interesting,’ said Ford, ‘I behaved very oddly there.’ He gazed thoughtfully into the distance. ‘I took up being cruel to animals,’ he said airily. ‘But only,’ he added, ‘as a hobby.’ ‘Oh yes,’ said Arthur, warily. ‘Yes,’ Ford assured him. ‘I won’t disturb you with the details because they would—’ ‘What?’ ‘Disturb you. But you may be interested to know that I am singlehandedly responsible for the evolved shape of the animal you came to know in later centuries as a giraffe.