Seven Pillars of Wisdom by T.E. Lawrence

Dawnay met me, and we talked over our brief before going up to Allenby's camp. There General Bols smiled happily at us, and said, Well, we're in Salt all right'. To our amazed stares he went on that the chiefs of the Beni Sakhr had come into Jericho one morning, to offer the immediate co-operation of their twenty thousand tribesmen at Themed; and in his bath next day he had thought out a scheme, and fixed it all right.

I asked who the chief of the Beni Sakhr was, and he said Tahad': triumphing in his efficient inroad into what had been my province. It sounded madder and madder. I knew that Fahad could not raise four hundred men; and, that at the moment there was not a tent on Themed: they had moved south, to Young.