Be sure to read the Amazon reviews on this book. . . while anyone who would tackle diced hose is probably not a novice, the reviews make it clear that this book is for very advanced knitters (not a straight pattern book, no indication of yarn quantity, few pictures, etc.).
There's another thread on this topic that may have some info useful to you here. IIRC there is discussion of various pattern sources buried within the thread.
That pic you posted is fabulous! I want the little pouch in the background (too small to be a sporran?).












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