In what ways can we see that the lord of the flies is more than a boys adventure story?

This story is essentially a comment about human nature and the darkness that lies within it. There are so many themes that delve into the nature of humanity. There are Biblical allusions and important metaphors. Symbolism can be found throughout the book. Please check out the GradeSaver themes page:

http://www.gradesaver.com/lord-of-the-flies/study-guide/themes