"American entrepreneur Jay Walker’s private library — so important (and massive) that his house was designed and built around it." From Flavorwire's 20 Beautiful Private and Personal Libraries. I want to build my house around my library!
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.