Books are a product of society, a tool to accumulate and spread knowledge thanks to the real life and stored from generation to generation. Books containing spiritual cultural values (works composed or compiled) of different social and artistic forms of consciousness, recorded in different languages (written, images, sounds, symbols,) of different ethnic groups in order to store, accumulate and propagate in society. Book is an open concept, book form is also changed and constitutes different forms according to the different methods of manipulation and duplication, depending on the living environment and the development of science and technology in each age. Google estimates that by 2010 approximately 130 million different titles had been published. Drink Tea Read Books Be Happy shirt
