Chris Hoffman wrote:

I think Hitomi once mentioned a belief/theory that every 'fictional'
universe actually exists, and is 'real' to itself?

Heinlein did something like that in The Number of the Beast.  A good read,
especialy if you like crossovers.

 
Although it does help to have read a resonable proportion of of his previous
works to catch all the cross references.  The number of the universes is
6^6^6 (six to the power of six to the power of six). Of course they didn't
have to worry about and "void" travelling -_o They just rotated.

Michael 
--
   "It was a fearsomely archaic place, and had begun to exude the faint 
    miasmal odour which clings about houses that have stood too long."
                             - H.P. Lovecraft, "The Colour Out of Space"
Work: Michael_Edwards@au.wang.com         Home: michaele@wapiko.apana.org.au