(In this letter, Jawaharlal Nehru tells his daughter Indira which books to read and why He sent this letter from the district jail, Almora, on 22 February, 1935.) You have accepted my suggestion that I should send you books from time to time... Most of the books I get here are reu books, just published. Some of them are good, and yet I wonder how many will survive after a few years. There was an old zule that was dinned into me when I was about your age: don't read books less than fifty years old. The idea obviously was that a lapse of that period will sift the good from the bad and the indifferent, and if a book survived, it was likely to be worth reading. It was a good rule. It cannot of course apply is scientific, historical, political, economic and similar subjects, in which continuous research work is resulting in an addition of knowledge. In these subjects such rapid changes are being made nowadays that a book written a generation back it completely out of date, t...