One of my Christmas presents that l have just got around to reading (Cheers Robbo!), Metamaus is superb, and had a lot more information than l could ever have imagined.
It's about Art Spiegelman, and his earlier creation, 'Maus', featuring interviews, transcripts, early sketches and even a DVD with 'Maus' plus extra information.
I was enlightened about other comic artists and Art's ideas behind his work, and came away from the book wanting to know (and buy) more, which is always a good thing.
Sets an outrageously high standard for any other projects of this kind, and l'll certainly read it again in the future.