books on Central Asia

I'm headed for the hills this summer (well the mountains of Kyrgystan actually) so I'm reading a plethora of books about the area. The list so far includes:

- Turkestan Solo, Ella Maillart
- The Great Game, Peter Hopkirk
- Silk Road Troubled Dreams, For a Pagan Song & Running with the Moon all by Jonny Bealby (as he owns the travel firm i'm going with)
- The Gobi Desert, Mildred Cable & Francesca French
- The New Great Game, Lutz Kleveman
- Persian Pictures, Gertrude Bell
- McCartney at Kashgar, CP Skrine
- An English Lady in Chinese Turkestan, Lady McCartney
- My life as an Explorer, Sven Hedin