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The book by Biswaroop Roy Chowdhury claims to double your memory power in 21 days and one thorough reading of it, testifies all its claims. The author puts all his expertise in the book and assigns mental images and memory codes to various digits and events. Through various aides like these, the book increases your art of concentration, thereby augmenting your memory and confidence in the process. Dynamic Memory Methods arrives in the market with the sole purpose of making memorization