This book was referenced twice now in character dialogue.* First by Sawyer in S1E17, In Translation.
Quote:
Sawyer: You're pretty scared, huh? Scared. You understand scared, don't you? Huh? If you ain't you're going to be, Bruce. Folks down on the beach might have been doctors and accountants a month ago, but it's Lord of the Flies time, now.
This survival story of a group of English schoolboys who are plane wrecked on a deserted island, explores the boundary between human reason and animal instinct. For more plot summary see SparkNotes.com