ASCII Media Works released a 160-page A4-size art and scenario book for Catherine, containing all the dialogues and endings to the game. This includes unreleased character and concept art, as well as artwork already in the game and website, such as images Catherine sends you through her cell phone, or promo art of her.
The book is divided into five chapters:
- CHAPTER I: Visual
- CHAPTER II: Theatre
- CHAPTER III: Cast
- CHAPTER IV: Nightmare
- CHAPTER V: Concept
It was released in Japan on August 10, 2011 for the suggested retail price of ¥2,520.