Forgotten Heroes: Paladin

From Introduction:

Using the ideas and rules presented in this sourcebook, players will be able to explore new options and capabilities for their characters, thus greatly enhancing their role-playing experience. In Paths of the Righteous sub-classes are introduced, allowing players to define and emphasise the focus of their paladin and enabling them to explore the often hidden depths of their character. The prestige classes presented in this chapter provide ways to specialise your paladin as they carve out their destiny. Both consider the nature of the paladin
within any fantasy world and discuss the variety to paladin philosophy, considering its importance in determining your character’'s place in the universe.