Book Girl & Famished Spirit Novel

"(W) Mizuki Nomura Tohko Amano is a perfectly ordinary Book Girl - she loves stories so much that she devours them. But some stories are too intense even for the specialists. Mysterious coded messages start to appear hinting that a ghost is stalking the school, and what can Tohko do but try to defend the book club from it? But when the ghost turns out to be a real girl with two souls, hovering on the edge of life and death, light and darkness, love and hatred, the Book Girl and Konoha might be the only ones to solve the mystery."