Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: A private tour insider Clive Barker's psyche!

It's a drop-dead gorgeous book, a primal primer of Clive Barker's inspirations, imaginings and id. A ghastly glimspe of genius skating that thin line of insanity. A must reference for fans of Night Breed and Hell Raiser, you will be enthralled by the alphabetical approach to horror. Poster art, sketches and photos flesh out the interesting tidbits of terror.Wait! Was that the wind or a hellhound outside my door? Shivers of pleasure await dear reader...