| 摘要 |
<p>The present invention can increase convenience for a user by connecting two book covers into one book cover, minimizing a space for the spreading operation, and selectively combining the two book covers attachably and detachably. In a book cover structure according to the present invention, a first book cover having first and second cover surfaces and a second book cover having third and fourth cover surfaces are mutually connected to each other, and a folding part is formed on the fourth cover surface in a vertical direction. Also, a hinge member is prepared at a location adjacent to the end portion of the fourth cover surface such that the end portion of the fourth cover surface can rotate.</p> |
