Book are more significant and it has powerhouse of information and knowledge about any field, not only that it is referred to as a humans best friend but also, they are extremely beneficial for mankind and have helped it evolve. In this 21st century number of people using e-books, which are tremendously populare and affordable, people can use it from anytime anywhere as a result less uses of paper books. This essay will socase both aspects in the following paragraph with the relevant examples.