I found it - used the one that Mark Biggers mentioned in:
http://www.wnclug.org/lists/wnclug/2001/msg00206.html
It needed a few tweaks to install to 7.3.3:
as the money type was deprecated, I replaced it with numeric(9,2)
and cdropped the '$' from selects in some of the views.
If anyone wants it, it's at:
http://idoru.mine.nu/sql/bookbiz.pgres.sql
Cheers.
--
Cynic, n.:
One who looks through rose-colored glasses with a jaundiced eye.
Rasputin :: Jack of All Trades - Master of Nuns