The books here I recommend is about spirituality. How one can use yog and spiritual powers to make life better to best. Both books will give you the proper understanding of the life, they way of living, the ultimate pleasure. Anyone can start meditation and understand spirituality after reading those two books. Your self belief would definitely increase to the top level . First book is 'Autobiography of An Yogi', by Shri Yogananda Ji & the second books is 'Inner engineering ' by Shri Sadguru Ji. THANK YOU