There are 28 Unknowns... The alphabet, Question mark, and Exclamation point.
go to the underground part of ruins of alph. you'll run into them if you run around.
The Soul of the Silver Dog by Lynn Hall has 132 pages.
as many as you can catch.
16
there are 2 of them
my but
According to Serebii.net there are 493 Pokemon in Soul Silver.
in soul silver
Their are 434 pokemon in soul silver according to the strategy guide.
Neither. The new game is called Soul Silver, not Silver Soul.
I'm not sure if Crystal is the same (it should be), but in Silver and Gold versions Unown can be found in the Ruins of Alph.
no such thing not in soul silver