> > To start writing a book I suggest to start with LyX's thesis > > template files. You find them in LyX's installation folder under > > \Resources\templates\thesis. > > Another option (and one I recently used) for writing books with Lyx is > to use the memoir class. It is probably the most flexible class ever > produced for LateX and it allows tweaking of most, if not all, aspects > of a publications. It also has a comprehensive, very well written > manual (a book, really). It will require you to learn some LaTeX, > though.
I am using koma-script book class and I recommended it. So far I did not need to write my own environment. Marcelo