The Blue Fox. It doesn't fit neatly into any one genre. Fairy Tale, Fable, Myth, Folk Lore, Revenge Tale...
Very short and poetic (the Icelandic author is a poet and lyricist), the book reads quickly and leaves you thinking. The setting is Iceland in 1883.
Other reviews: Beauty Is a Sleeping Cat, Stuck in a Book
Fiction. Fairy Tale? 2004. 112 pages.