| 摘要 |
PROBLEM TO BE SOLVED: To provide a book jacket cover, which is perfected and, in response to circumstances, the front side and the rear side of which can be used separately. SOLUTION: The front side 10 and the rear side 10' of the book jacket cover 100 are printed differently. On the front side 10, the title of a book 20, illustrations, pictures, photographs or the like, which are the same as those of the conventional book jacket cover, are printed. On one hand, on the rear side 10', a sentence suitable for the foreseen situation of the book 20, pictures, photographs or the like, which are different from those on the front side and suitable for the foreseen situation of the book 20 may be printed in addition to the title of the book 20, its authors, its illustrations printed on the front side. Then, when the situation arrives, the rear side is used so as to allow to turn the book into a timely one. On the other hand, an exciting printing is applied on one side, while an unexciting printing is applied on the other side so as to let a bookstore may well judge the adoption of which side of the cover according to the atmosphere of the store.
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