This research study aims at attempting to assess thematically the underlying ideas implied by the novel, Lord of the Flies. The novel reflects quite effectively the social and cultural conditions of the contemporary times. It revolves around the idea of the evil which is inherent specifically in human nature and in society at large. The author asserts the view that man is evil by nature. It is that culture and pressure of civilization which stops that evil from emerging sometimes, but as soon as that sociological and civilizational barrier has been removed, then the human heart comes out in its true shape and shows the bestial instinct quite fearlessly. Moreover, the author has also woven a web of thematic elements that holds together the novel, Lord of the Flies in a clever, artistic way. Above all, the thematic elements involved in the novel are the emergence of evil, the loss of civilization, the motif of power, the fate of the intellectual, the uncertainty of life, rules and orders, loss of innocence, primitivism, symbolic manifestations and the tone of pessimism. I have applied the methods of historical and textual approaches for the evaluation of the thematic concerns of the novel. [ABSTRACT FROM AUTHOR]