Coraline, written by Neil Gaiman, has many themes. One of the major themes in this novel is the theme of bravery or courage.
In this story, Coraline must overcome many of her own fears. She must use her independence to find her parents when she learns they have been kidnapped by her "other mother" in the alternate world Coraline discovers. She is very courageous in that she enters this new world in the first place. Once there, Coraline discovers an evil look-alike for her mother; this doppelgänger has buttons for eyes. Coraline must be brave in order to defeat this version of her mother, and in doing so, she saves other people: the three children the other mother has also kidnapped.
Even though Coraline is frightened during her journey, she does not get help from the police, something a less brave person would do. Coraline understands that she is very resourceful. This resourcefulness is something she learned growing up and being alone most of the time, because her parents were working.
Coraline bravely continues to choose to be optimistic in her life. By choosing to believe that anything is possible and that she will be able to defeat her other mother, Coraline does just this, with the help of a cat.
Throughout the story, Coraline learns to understand that things aren't always as they seem. Understanding this concept is something that happens when one is forced to grow up. Accepting this as a fact is a brave and courageous thing.