Book is not only the collection of pages. It describes ideas, thoughts, knowledge and information of author about a topic. It is the best reliable medium of communication between author and the reader. It use printing format to describe its information. It is a set of ideas in a written printing form.

At the begging of  world people are few in numbers they can easily verbal communicate with each other. But when population increase way of communication also changes.

People used different kinds of stones, Boone and wood to writer their information.

At last in china papers used for making and a book in 105 AD. After that paper technology converted into printing press.

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