On the Genealogy of Morals and Ecce Homo contains three essays.
The narrative of the first essay talks about the morality of slaves versus non-slaves, indicating the vast difference between the meaning of "good" in both.
The second essay administers the narrative of guilt and bad conscience.
The third about ideals.
Ecce Homo is a review made by Nietzsche, addressing his life and work. For me, this was a great gateway toward further exploration of Nietzsche's work as his interpretations of his own work are invaluable.