Delirium Series-Books 1-3, by Lauren Oliver

Delirium: In a dystopian world where love is declared the deadliest of all diseases, one's only hope is to be cured. Lena is 95 days away from getting her cure when she does the unthinkable. She falls in love. Pandemonium: The explosive second book of the Delirium trilogy brings us a new Lena: strong, fierce, and defiant. But the chaos of a loveless world will lead her into the fight of her life. Requiem: This exciting finale to Lauren Oliver's New York Times bestselling Delirium trilogy is a riveting blend of nonstop action and forbidden romance in a dystopian United States. (Short descriptions provided by Amazon) Books are in good condition. Definitely a series you can't stop thinking about. :)