Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Audiobook version is a masterpiece

I recently listened to the Audiobook version of the book. Narrator Dick Hill's masterful inflections and characterizations are perfect for the story and make Koontz's words come alive. So far, out of around 15 Koontz audio versions this one is my favorite, in spite of its length. I could easily listen to it again in the near future. There were, as in many of Koontz's books, some references to the ever enigmatic "The Book of Common Sorrows". Having always found these poetic phrases quite intriguing I finally decided to obtain a copy (if it even existed). Well, it was originally fictitious (see [...]) but Koontz finally assembled these strange, lyrical exerpts (and more) into a hardback reality. As far as I know at present, the hardback version can only be purchased at Koontz's website (for about $30 USD): [...].