1) Book design 2) Book-set container 3) Bookshelf item 4) Boxed-set box
Found on
https://www.crosswordclues.com/clue/slipcase
A slipcase is a four or five-sided box, usually made of high-quality cardboard, into which binders, books or book sets are slipped for protection, leaving the spine exposed. Special editions of books are often slipcased. A few publishers, such as the Folio Society, publish all their books in slipcases. Protective slipcases may be issued for casset...
Found on
http://en.wikipedia.org/wiki/Slipcase
A box open on one side so that when a book is slipped into it, the spine shows.
Found on
http://www.alibris.com/glossary/glossary-books
No exact match found.
