
Book four in the internationally bestselling Escape from Furnace series that has captivated millions of readers worldwide. Teenager Alex Sawyer has finally broken out of the deadly underground prison, Furnace Penitentiary, but the nightmare is far from over.

Forever altered by his experience in Furnace Penetentiary, Alex has done the impossible and escaped. But the battle for freedom is only just beginning. Charged with his superhuman abilities, Alex must uncover the last of Furnace's secrets--the truth about the man who built the...


