This document provides a detailed history of the development of books and writing materials from 3500 BC to the present day. It describes the earliest known written symbols on Sumerian clay tablets from 3500 BC. Papyrus scrolls dating to 2400 BC were found in Egypt. Around 600 BC, a more standardized left-to-right writing system emerged in the Mediterranean. Parchment and wax tablets were developed as early writing materials. In 105 AD, Cai Lun invented papermaking in China. The first printed book was created in China in 868 AD using block printing. Johannes Gutenberg developed the printing press and movable type in 1455, leading to the Gutenberg Bible and the printing revolution. Cheap mass-