Book on Subconscious mind

Question: Swamiji I want to know about “The Power of Subconscious Mind”. I have read a book in English but I can’t understand. Swamiji please can you tell me answers & suggest to my questions.
1. What is Subconscious Mind?
2. How it works.
3. How can we heel the power from our Subconscious Mind?
4. How can we reach the goal through our Subconscious Mind?
5. How can we use the power of our Subconscious Mind?
Swamiji, can you tell me is there any Kannada books through I can easily understand & putting in to practice. So many people do not know, what is the power of Subconscious Mind? How to use that including me also?
Swamiji, I am looking for your valuable suggestion & answers.

Answer: Kindly read the following books: 1. Ekagrateya Kale (Art of concentration) published by Ramakrishna Ashrama, Mysore
2. Dhyana mattu Ekagrate ( Concentration & Meditation) published by Ramakrishna Ashrama, Mysore