The writings of Jon Constantine.
The Infernal Bloodline: This is what I have discovered of my ancestors, the curse of my family, and my infernal bloodline.
The Sandpoint Catacombs: My research of the history of Sandpoint and the catacombs we found beneath.
Notes from Thistletop: The writings of Nualia and her research assistant.
After Thistletop: Constantine's musings on recent events
The Skinsaw Man: Reflections on the murders of Sandpoint
Jon Asks For Help: A conversation between Jon and Twitch
Jon's Warning to Belor: A dream prompts the sorcerer to offer counsel to the fighter