Strange Houses is a Japanese mystery. I bought my copy new.
Review:
The narrator has a friend who's considering buying a house but who wants the narrator to look over the floor plans first, because something doesn't quite feel right. The narrator enlists the help of Kurihara, who works for an architectural firm. Kurihara notes some oddities in the floor plans and somehow jumps from those to "This was a murder house in which the previous owners used a small child to commit murders." The narrator writes about the house, without identifying where it is, and yet is then contacted by a woman who not only seems to know which house it is, but who has identified another house with similar oddities. She believes that her husband was murdered by the former owners of both these properties. This eventually leads to the identification of a third house with oddities in its floor plan.

