I, too, would be interested in a book about the subject.  I'd be fascinated to know the behind-the-scenes frenzy our Relentless Reprinters go through in order to assemble the pieces for the next well-anticipated volume of a Masterworks.  If anything rivals my bookcases of MMW and trade paperbacks, it's my other bookcase with research books on any number of topics, such as comic collecting, music artist histories, television series, and other pop culture encyclopedias.  Emot_yes