I don't buy the idea that the authors all still want a "cut" so to speak, given that many authors (at least in statistics) make copies freely available on their

I don't buy the idea that the authors all still want a "cut" so to speak, given that many authors (at least in statistics) make copies freely available on their websites. I know Shumway did with the time series text and I beleive Lasserman did as well.