The world will be a better place to live in if you let yourself free and smile more. The sound of a smile is like a heavenly rhythm that tugs and opens every heart around you. Have a smile that lights those beautiful eyes of yours and see the same smile reflected in the people you look at. Smile is a delightful element that was gifted to mankind. Keep your smile and laugh alive and make others around to experience the real meaning of smile and joy. 21 Rhythm of Smiles is one such book that beautifully depicts the importance and loveliness of the smile.