And one is not supposed to read,study and comprehend CLASSIC like "discovery of India and glimpses of world history" because one can't understand/assimilate any CLASSIC by reading once. It takes atleast two to ten times to read,study and comprehend CLASSICAL BOOK fully for knowing inner sense.

See how brilliantly in one single book " pandit" Jawaharlal Nehru narrated whole mankind history "UPHEAVELS" for future generations use !