<Roy>
> I heard that Frank and Brian Herbert put a co-authored book years
> ago. Has any one read it? Is it any good? Is Brian any good at
> writing?
Brian co-authored at least one book that I know of that is recent
with Marie Landis:
 The World of Darkness Vampire: Blood on the Sun
it is in my stack of 'to read' books so I can't say.  I picked it up
because it follows in the Vampire 'series'.

Bob