They both know each other, well at least part of each other.
The double life is a book about a boy named Gray and a girl named Amaris. They both have secrets they can't tell each other but need to for their own good.
This is Cris and Harry's life. Two teenagers who are friends since they can remember. Their mothers are best friends. They are best friends. But only they know about it. Harry's afraid of hurting his reputation. Cris is tired of hiding everything. Time will let them know what happens.