Megami Ibunroku Persona: Shadow Maze (女神異聞録ペルソナ シャドウメイズ?) is a novel by Naoko Korekata published by Aspect Novels that is adapted from the video game Megami Ibunroku Persona. It was released on May 14th 1997.
From the back cover of the novel:
When all Makis have finished talking, all mysteries shall become clear.
When one does not accept the existence of the darkness that lurks within their mind, an alternate self is born to rule over that darkness. Maki Sonomura. Not believing that she was truly herself, Maki began to notice the existence of another "Maki" after the "incident". Just who is the true self? What is the lie and what is the truth? The angels and demons who live inside people's hearts? The cruelty of truths and ideals. By drowing in the sea of men's most ugly emotions, she will be able to find her true self... By uniting the glass shards that are the various personalities of Maki Sonomura, the light and shadow of people's hearts is recited. And then, a new Persona story is born inside of you.