At the back of the dining room area you could put a wall-to-wall bookcase filled with books. If you don't have that many books you can have a display bookcase where you place nick backs, a few books, some magazine, sculptures etc.
Gladstone's Library, known until 2010 as St Deiniol's Library, is a residential library in Hawarden, Flintshire, Wales. - It is a Grade I listed building. The library was founded by the Victorian statesman and politician William Ewart Gladstone.