A must read book to know the step by step process for how a human being can evolve into the divine being.
The magnum opus of Sri Aurobindo is structured in such a way that it starts from Human Aspiration, travel through The Annamaya Kosh (Physical Being), The Pranamaya Kosha (The Pranic Being), The Manomaya Kosha (The Psychic Being), The Vijnanamaya Kosha (The Gnostic Being) and finally culminate into The Anandamaya Kosha (The Coamic Blissful Being).