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A bookcase, or bookshelf, is a piece of furniture, almost always with horizontal shelves, used to store books. A bookcase frequently has doors that may be closed to protect the books, bookshelves are open-fronted. These doors are usually glazed, so as to allow the spines of the books to be read.

Adjustable Multi Level Bookcase

A bookcase, or bookshelf, is a piece of furniture, almost always with horizontal shelves, used to store…

"The case shown is preserved in the Chapter Library, Hertford, England. In some libraries this practice of chaining the books was kept up even in the eighteenth century."—Myers, 1905

Case of Chained Books

"The case shown is preserved in the Chapter Library, Hertford, England. In some libraries this practice…

A shelf or set of shelves for holding books.

Book Rack

A shelf or set of shelves for holding books.