Dosto,
There are many books written on Dev Bhoomi Uttarakhand. Some famous books have been written by Uttarakhandi on the Pahad. There are also several people of our country as well as foreign countries who have written books on Uttarakhand.
Hope you will contribute to make such collection here. From my side, of course, i will try my best to give the all possible informaton on the subject.
M S Mehta