The theme of this novel is family loyalty, friendship, first romance, abandonment, change, trust, and also, truth.
The theme is family loyalty because even though in this story, Zach's father lied and betrayed his family, his family is still trusting and holding on for him.
The theme is friendship and first romance when Zach's friend lends him helping hands and ears to listen to his own troubles
The theme is abandonment because Zach has to abandon his friends, his luxurious life and his old self
The theme is about change because Zach's eyes, hair, name, house, school had all changed
The theme is trust because Zach's true identity CANNOT be spoken to anyone, so in this story, he needs to decide who to trust and who he shouldn't trust
Last, the theme in the story is truth because everything about him is a lie. Lie, lie, lie. When will he start living in the truth again?
Zach's Lie's theme will also tell the story of those who has a solid family home, and those who do not.
Those who has lots of good friends, and those that are always alone.
And finally, it tells about those who are "new kids" that has never left their own small town.