What is Turkey? It is a name which explains nothing, for no formula can embrace the variety of the countries marked "Ottoman" on the map: the High Yemen, with its monsoons and tropical cultivation; the tilted rim of the Hedjaz, one desert in a desert zone that stretches from the Sahara to Mongolia; the Mesopotamian rivers, breaking the desert with a strip of green; the pine-covered mountain terraces of Kurdistan, which gird in Mesopotamia as the hills of the North-West Frontier of India gird the Plains