The idea of casting Poland as a land in the grip of a sexual free-for-all at the end of Cold War is pretty funny to anyone who's ever spent time there. A giant pansexual Christmas orgy, complete with underage boys and girls, at a big hotel in the middle of Krakow, advertised all over town on handbills? Can you say "police with machine guns breaking it up?" Beckman's take on things kinda reminds me of the old German stereotype of the sexually-wild Slav (similar to racist American stereotype of oversexed blacks.) There's very little basis in reality here. Certainly, Germans on average give it up easier than the super-Catholic Poles.
Of course, this being a novel, Beckman isn't necessarily required to portray Poland accurately. I think he is required to create interesting characters rather than the wearisome cartoon characters he comes up with: the sexy young Polish teenager; her sexy mom; the big, credulous Iowan galoot; said Iowan's sexily satanic cousin, etc.
Just about everyone in the novel enthusiastically engages in (large) group sex (except for the villain, a tortured ex-commie official tormented by his sexual needs, blah blah.) I tried to determine if there was some complex symbology at work. Nah, I think the author likes writing group sex scenes. If you like reading such scenes, this might be the book for you. Otherwise, probably not.