Chris Lynch 
The Dark [PDF ebook] 

Imagine a story that you can drink, a story that you can feel, a story you can live. Welcome to the city of Dante, and the world of Memetech. As a wave of drugs that create living stories sweeps his city, one man fights back as “The Dark”. A vigilante who wields fiction as a weapon, he is the last hope for a city where nothing is what it seems. A stunning new sci-fi thriller that will have you begging for more!