The theme of a book is a universal idea or message that stretches through an entire story.  It is often a lesson that we learn about life or people.  Here's a list of some common themes.  Which one will you use when writing this story?

• Circle of life
• Heroism – real and perceived
• Individual versus society
• Dangers of ignorance
• Desire to escape
• Good versus bad
• Overcoming – fear, weakness
• Power of words
• Will to survive