At Home: A short history of home life by Bill Bryson. A history of houses, and just history relating to houses.
Most back cover reviews exaggerate, but it really has made me laugh out loud, at least most chapters.
Even better, it gives me a constant stream of interesting facts to throw at my partner. Did you know they had locks on doors and underfloor heating back in the neolithic?
Harvey Danger - You will die by what you live by