Instruct: Classify the given Amazon review as either positive or negative.
Query: What the heck is the joke about ABULAFIA, anyway?

Umberto Eco struck paydirt in America with the publication and subsequent filming of "The Name of the Rose", but "Pendulum will do little, I'm afraid, to enhance his reputation here. "Pendulum" is much too dense, much too intellectual for the average American reader. "Pendulum" is a brilliant story -- the last 100 pages terrified me, and snapped me out of the doldrums he had created the previous 250 pages. Now, go out and get "The Island of the Day Before" for a serious shipwreck story