‘No, no’ I said, when The Spectator’s literary editor rang up, ‘I’m sure you must be able to find someone who really wants to read another postcolonial analysis of the figure of the North African in English literature.’ But the book turned out to be about the other kind of moor, so I said yes, though not without some anxiety that it might be like Eeyore’s Gloomy Place: Rather Boggy and Sad.