" Infallible Vedic Remedies" is a book composed by one of the great seers Swami Shantananda Puri.The saint has written about his experiences in his books "Musings of a Himalayan Monk" and "Fragrant Flowers" which are also available for download.
Swamiji asks us to get it initiated from a qualified Guru before chanting or treat Sri Ramakrishna or Sri Ramana Maharishi as one's Guru and start chanting with all sincerity and faith. He also provides a good introduction and numerous examples from his life on how these mantras worked. He also talks about a very unique mantra called Shasthi Devi Mantra.He covers mantras for various problems and provides the text in English and Sanskrit/Hindi. Like a true seer, he also provides Tamil chants, Sikh chants, Christian prayers without any discrimination.Some essentials for getting the benefit out of these mantras would involve practising Vegetarianism, Refraining from smoking, drinking and other addictive substances/habits, respect towards elders and finally above all - Love for the entire humanity without any discrimination.
Of all the mantras above, one incident needs to be mentioned. There are 3 versions of the Siva Sahasranama Mantra and 2 of them are very popular. The third was brought to public by the efforts of Sri Shantananda Puri Maharaj.
Swamiji was entrusted with the effort of identifying and publishing the third unknown version of Siva Sahasranama by the great Guru the Paramcharya of Kanchi - Sri Chandrasekarendra Saraswathi Swamigal. Swamigal tried searching across several libraries in India and finally when he was about to give up, he accidentally met a scholar who had done his doctorate exactly on the book he was searching.After that with lots of such miraculous incidents and efforts, the Siva Sahasranama from Linga Purana was published.
Mp3 chanting of this mantra, pdf in Tamil/Sanskrit/Hindi, Swamiji talk on how he discovered this mantra is all available at https://mahaperiyavaa.wordpress.com/2012/08/20/linga-purana-siva-sahasranama-by-swami-shantanandha-puri/
What is very important to note here is the message of the Kanchi Shankaracharya - "Chanting of this mantra will bring unity among fighting couples, parents and their children, between religions, communities etc. When this mantra is chanted on a large scale or a mass scale, this mantra has got the capacity to bring unity even between countries"
In this age where discord between people is at an all time high in the name of religion, race, caste, gender, national, color etc. let this mantra bring in the much needed unity and peace.