Book 3

Death Sentence

by Alexander Gordon Smith

Published 2 August 2011
After his failed attempt to escape from Furnace Penitentiary, Alex struggles to survive the bloodstained laboratories beneath where monsters are manufactured, with a death sentence--or worse--hanging over his head.

Book 5

Lockdown

by Alexander Gordon Smith

Published 27 October 2009
When fourteen-year-old Alex is framed for murder, he becomes an inmate in the Furnace Penitentiary, where brutal inmates and sadistic guards reign, boys who disappear in the middle of the night sometimes return weirdly altered, and escape might just be possible.

Book 5

Fugitives

by Alexander Gordon Smith

Published 28 February 2012
After achieving the impossible by escaping the laboratories and cells of Furnace Penitentiary, Alex, injected with superhuman abilities, must uncover the last of Furnace's secrets--the truth about the man who built the prison.

Book 5

Solitary

by Alexander Gordon Smith

Published 21 December 2010
Imprisoned for a murder he did not commit, fourteen-year-old Alex Sawyer thinks that he has escaped the hellish Furnace Penitentiary, but instead he winds up in solitary confinement, where new horrors await him.

Book 5

Execution

by Alexander Gordon Smith

Published 13 November 2012
Alex Sawyer has escaped his underground nightmare to discover that the whole world has become a horrible prison run by his nemesis, Alfred Furnace, and only Alex can stop him, even if that makes him the executioner.