Smallest Book On Spiritual Life

Spirituality is most misunderstood. Many are lured by Pseudo gurus who exploit the vulnerable. Anyone who seek to know everything about Spirituality, without the help of Gurus can benefit from this small book.
What is really Spiritual life is? Who takes to this life? What one can expect from spiritual life? One can get several of the Super human powers. But there is a risk. If one fail to follow the steps that are mentioned the power one acquires will destroy completely.
To be able to write this book I spent nearly 40 years!
A few books are recommended for the seeker.