Tadayobi Premium Text: World History - Ancient and Medieval Tadayobi Premium Text: World History - Modern and Contemporary I studied by copying the content, so the original books are unused. There are no writings, markings, or edge wear. They were stored in a bookshelf with a door in a smoke-free and pet-free environment. Please refer to the photos for the condition. Although difficult to see in the photos, there are some creases from being opened for copying.