Frontispiece to the world's earliest dated printed book, the Chinese translation of the Buddhist text the "Diamond Sutra". This consists of a scroll, over 16 feet long, made up of a long series of printed pages. Printed in China in 868 AD, it was found in the Dunhuang Caves in 1907, in the North Western province of Gansu. The Diamond Sutra is a Mahayana (Buddhist) sutra from the Prajnaparamita, or "Perfection of Wisdom" genre, and emphasizes the practice of non-abiding and non-attachment. The full Sanskrit title of this text is the Vajracchedika Prajnaparamita Sutra.