The question of the age of books in itself is very subjective. The exact age of books is difficult to determine, as it depends on how one defines a “book.” However, the concept of written language is thousands of years old, and the earliest known written documents date back to ancient Mesopotamia, around 3400 BC. These early documents were inscribed on clay tablets using a stylus, and were used to record a variety of information, including laws, stories, and lists. The first bound books, known as codices, appeared around the 1st century AD, and were made by folding sheets of papyrus or parchment and binding them together. The first printed books using movable type were created in China during the Tang Dynasty, around the year 700 AD. The invention of the printing press by Johannes Gutenberg in the 1440s revolutionized the production of books, making it faster and more efficient. Since then, books have continued to evolve and be produced in a variety of formats.