I read it once and then kept it on the bookshelf for a while. Please refrain from purchasing if you are concerned about aging. There is only a faint stain on the upper right of the back cover, and it is generally clean. Release Date ‏ : ‎ 2006/9/9 Language ‏ : ‎ Japanese Paperback ‏ : ‎ 336 pages Price: 2500 yen + tax