Mysterious Japanese Mysteries

Finished Higashino Keigo's Salvation of a Saint, and very nice too. Of course one can see, in a foreign culture's mysteries, where the genre givens come in and reality goes out the window, a facet one is blind to in one's own. Even with the cozily unlikely likes of Miss Marple, one unconsciously agrees to suspend belief in order to make the entertainment work. With Japanese mysteries I can suspend belief but the pantomime doesn't always work, because what's simple logic/ common sense there-in-that-genre is psychologically off the wall here. 'She said she wanted to stop her subscription to the magazine because the serialized story she was following had become boring. But in fact it had become much more interesting, so she must have had another reason for cancelling her subscription.' Buh? There's no empirical 'boring' or interesting' here. How can reasoning like that lead you to the murderer?

As for why I was reading someone I'd never heard of ten days ago, it's a result of Hopscotch or Serendip or whatever you want to call the way I pick my books to read. ( Cut for example of same, interesting only to me. )