A Japanese cable and aran stitch dictionary. It is written entirely in Japanese, but does have symbols, which you can decipher with the help of various websites and reference documents. The aran patterns are absolutely amazing - I've never seen cables etc like it! Here is a photo of one of the pages:
I bought it from Needlearts bookshop, a Canadian company who were very prompt and friendly. My intention is to start doing some swatches from these patterns - watch this space!