I have a few hard copies, The best one I picked up was a signed copy in near perfect shape about 10 years ago for 125 bucks. Just a few months ago I bought one remarkable shape unsigned for 35 bucks, I could not believe it.
The best "signed" copy I have ever seen is Janet M's. Her copy has every chapter signed by every person the chapter is about (many with nice notes) as well as a nice note from Bob.
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