Treasure Island is an exciting adventure story, filled with morals that need to be incubated in a growing child. The author narrates these through the protagonist, Jim Hawkins, who is an immature, naturally curious and adventurous young boy.
The continuing theme of adventure throughout the story is interspersed with fear, sorrow, surprise, hope, and nostalgia; all the essential elements of life. Jim is an observer of human nature, he perceives and learns from the mature convictions and plans of the people whom he is traveling with. The story is one of dream fulfillment that reflects the enthusiastic and adventurous nature possessed by young men.