In what ways does Chris grapple with the loss of his father? In what ways does he avoid grieving? What social and cultural influences in the novel prevent Chris from confronting this loss?

The skeleton tree holds several coffins but offers no explanation as to its purpose or cargo. In what ways does the loss of his father and Uncle Jack haunt Chris through the skeleton tree?

Although the boys’ location is remote and far from human settlements, signs of humanity are strewn across the beach. What does the trash reaching the island, so far from human habitat, indicate about human encroachment?