Lauren Oliver 
Alex: A Delirium Short Story (Ebook) [EPUB ebook] 

When Alex sacrificed himself to save Lena, he thought he was committing himself to certain death, but what he got was almost worse. Imprisoned and tortured by the guards, his mind forces him to relive a past he would rather forget. But in the dark he grows stronger. Both hopeful and terrified, he fights to find his way back to her and the love he still clings to. In this digital story that will appeal to fans of Delirium and welcome new admirers to its world, readers will learn of Alex’s time after the events of Delirium, as well as the dark past that he has tried to forget.