Originally Posted by Ken Maltby
Sometimes, once is not enough. What if there were only one Harry Potter book or
Harry Dresden or lazarus long or Jack Ryan? Sometimes, the world that the author has
created just needs more exploration than one book could provide. P.E.R.N., Middle Earth,
Earthsea, Ringworld, ect...
This... although P.E.R.N. should be Pern - name of planet/system