This is an awesome book - "Shoonya".  Buy it.  It speaks of wisdom in volumes.  Philosophy, spirituality, psychology, self help, motivation you have everything to become a positive person. lucid presentation. wonderful read.

http://www.flipkart.com/books/8172866550?pid=yv23fu4pzb&_l=CJHVEqJO3veuHytbACc9dw--&_r=Pitmmy5ehXoJdAR7Ox0ofw--&ref=5be51a6e-dfce-4018-9dd6-b8ce4b6029cd