Highly extolled in the scriptures as a form of sadhana, mantra jap holds a significant place in spiritual practice of an aspirant. But not many delve into its intricacies - where did these mantras come from, who coined them, are they mere combinations of words, how do mantra vibrations impact the mind and so on. It is to invite one and all to explore the realm of mantra that this unique pocket book has been designed. It delineates the various aspects of mantra and its practice as elaborated by revered master Anandmurti Gurumaa. It offers in-depth explanation to meaning & origin of mantra, the science of mantra, different types of mantra, what is the correct way to practice mantra japa, how is manasik jap different from the jap practiced aloud and so on. It is an invitation not just to explore but to persistently follow the practice with resolve and dedication.