Krishnath
First Post
Well, I always thought it is a good idea to re-use a good character hook 
As for the rest, speaking from a gamer/DM perspective it is good to have the creatures in one chapter, and the prestige classes in another, and so on. Mostly because it cuts down on flipping through the book to find what you are looking for.
That is just my humble opinion.
Later,

As for the rest, speaking from a gamer/DM perspective it is good to have the creatures in one chapter, and the prestige classes in another, and so on. Mostly because it cuts down on flipping through the book to find what you are looking for.

Later,