Ability -- Juvenile fiction. Survival -- Juvenile fiction. Brothers and sisters -- Juvenile fiction. Ability -- Fiction. Survival -- Fiction.

Ability -- Juvenile fiction. Survival -- Juvenile fiction. Brothers and sisters -- Juvenile fiction. Science fiction. Young adult fiction.

Courage -- Fiction. Loyalty -- Fiction. Love -- Fiction. Science fiction.

Identity -- Fiction. Families -- Fiction. Courage -- Fiction. Social classes -- Fiction. Dystopias.

Science fiction. Social classes -- Fiction. Courage -- Fiction. Identity (Philosophical concept) -- Fiction. Dystopias -- Fiction.

Dystopias -- Juvenile fiction. Identity (Psychology) -- Juvenile fiction. Families -- Juvenile fiction. Courage -- Juvenile fiction. Social classes -- Juvenile fiction.