The Golem and the Jinni falls into that category. After a month of light urban fantasy I found it slow at first, but then it swallowed me and I finished half of it in a day. (That's fast, the way I read.) It provided the atmosphere for all my dreams last night, including the tail-end one which was dream!
(I was envious of the largeness of her TV, but comparing it with my own I realized they were really about the same size. Hers just looked bigger.)