Delirium (Delirium, #1)

Delirium is a dystopian young adult novel written by Lauren Oliver, published on January 1, 2011, by HarperCollins (HarperTeen). The story focuses on a young woman, Lena Haloway, who falls in love in a society where love is seen as a disease. Delirium is the first novel in a trilogy, followed by Pandemonium, and Requiem.