Frozen - Erin Bowman - Bog

The Heists were only the beginning.
Gray Weathersby escaped from the primitive town of Claysoot expecting to find answers, but what he discovered shook him to the core: A ruthless dictator with absolute power. An army of young soldiers blinded by lies. And a growing rebellion determined to fight back.
Now Gray has joined a team of rebels on a harsh, icy journey in search of allies who can help them set things right. But in a world built on lies, Gray must constantly question whether any ally-or enemy-is truly what they seem...