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6 points by tjr 4256 days ago | link | parent

I've seen the price of a used copy of On Lisp rise over the years... now circa $400? With a PDF available free of charge from pg's website?

I highly value good books, and this is one of the best CS books out there, but even so, I'm surprised at the market value for a used copy.

Not complaining, just observing and wondering. Carry on.