> There's 'Document formatting and Typesetting on the Unix System, Vol. I &II' > by Narain Gehani and Steven Lally. They're available on alibris at a cheap > price.
secconded, excellent books. R.S. Bourne's "The Unix System" has some macros for writing books in it, though I was never clear wether these where used to typeset the book itself or if they are just a simplified example. -Steve