really you showing very great photography of art.this library books very important for alots people knowledge. a lot of knowledge is processed by a certain method. This method is a scientific method. Knowledge of the scientific method is also required to process knowledge into the knowledge and knowledge required to complete it. To bepengetahuan someone just open the eyes, open the ear, understand the reality, memorize, convey. To his knowledge, this method becomes more serious.Do not wait to open your eyes, open your ears, understand reality, memorize, say, carelessly. Who wants to have knowledge, the first time he should read the last step of man, make trouble, hypothesize based on reading the last step of man, then make research, make decisions, and finally build awareness. Science that he found himself.thanks to sharing for your best thought post of art books library..very well done..my dear friend.. @velimir take care yourself and best of luck of your great work.