Parallel Universes

[DireWereTeddy]

I'm looking for sourcebook I came across a while back, years ago. It was on parallel universes, sharing similar concepts with the Jet Li movie 'The One' and was printed for either 3.0 or 3.5. Anyone have any idea what I'm talking about?

 

[Dannyalcatraz]

This probably isn't it, but it's the closest I can think of right now:

Second World Simulations - Home