>>>>Such letters and critics always make me wish to saw what they denied :-)
>>>>Now for sure I'll buy the books :-)
>>>>This is something like "Da Vinchi code" and all polemics about it.
>>>
>>>You really wanna read the books, man - fascinating and inventive - bridge betweens parallel universes.
>>
>>Not quite parallel... there must be some intersection or there'd be no plot in those books ;).
>
>'pends in what dimensions they are parallel or not. We can't perceive a 4-D object but once in Carlk Sagan's "Csmos" series he showed a 3-d model of the shadow of a 4-D object. Blew my mind :-)

While it wouldn't exactly blow mine - as a mathematician, I'm supposedly blasé in those aspects - but some of the aspects of multidimensional (or let's say more-than-just-flat-three-dee) spaces are very interesting. Just imagine you're living in a tesseract ;).

http://en.wikipedia.org/wiki/Tesseract