I just finished read Haunted by Chuck Palahniuk. It was definitely an original book in style and format. The writing is relatively simple and easy to follow along with, very minimalistic, but the format is interesting. It's told from multiple different points of view and goes through different segments; present, poetry and past.
I liked the book but by the end it felt like there was no difference between every character, they were all bitter pricks. The book is a little pretentious at times too. That said I like the original format and themes, and I like the no holds barred attitude of Chuck Palahniuk, he will write anything he wants. There is some very disturbing and very absurd scenes in this book.