The language in this book, especially the dialogue, is highly stylized. It brings to mind not only a different time, but a different type of form altogether - at times it feels like a play, or performative storytelling. There's a disjointed dreamlike quality to the story itself, and there is a great deal of repetition. The voice is also quite distanced. Add all that together and it reminded me a bit of Gaiman swirled together with a dose of Shakespeare.
There is a great deal of symbolism at work, as well as ample themes. It's a great book to dig into and analyze if that's your cup of tea. The characters feel more like archetypes than they do specific people, at least to me. The plot also takes on more of a secondary role in service to the feel of the story rather than the movement.
So you're probably thinking, sure, but did you like it? Was it effective? Should I read this? Well...I don't really know how to answer any of that. For all this book's distinct and unique flavor I'm not sure I particularly enjoyed reading it. It didn't hit any overtly sour notes, but it never really gave me much I connected with either. It was like a meditation in book form. If you enjoy books that are all about the atmosphere, tone, and prose, or if you like fables designed to make you think, then this will likely be a good fit for you. If you're looking for high fantasy, adventure, or characters that steal your heart this one will likely leave you cold. As for me I'm glad I read it, but after my other stabs at Ishiguro I think I'm going to skip the rest of his oeuvre.