I don't judge books by their covers, but sometimes covers do say a lot about the book they contain. The cover of my edition of The City & The City is in washed out blue, with a stylized title and the skylines of two different Eastern European cityscapes—presumably, the modernized Ul Qoma, and its neighbour, Besźel. It's a very nice cover. Alone, it is aesthetically pleasing. Yet it also captures the atmosphere of the story…