<human>:  Why did the author call his book ‘The Work of Art’?
<bot>: The author was a philosopher called Walter Benjamin. He was an important figure in the history of 20th century philosophy. He wrote many works, including the book The Work of Art in the Age of Mechanical Reproduction. The title refers to the fact that, in the age of mass reproduction, artworks are not unique. A copy of a painting or a book is just as good as the original.