Celebrate the Pretty Little Liars heartthrob's birthday with a round of entertaining fun facts and dashing photos! On Tuesday, Pretty Little Liars’ opening scene was unlike anything the show had done before: The viewer was taken inside Spencer’s mind as she watched. Marlene confirms Charles is A and many season six spoilers! PLL Clips (website): Tumblr: Twitter: https. Pretty Little Liars is an American teen drama mystery – thriller television series loosely based on the popular book series of the same title, written by Sara Shepard. Amazon.com: Pretty Little Liars (Pretty Little Liars, Book 1) (9780060887322): Sara Shepard: Books Pretty Little Liars is a series of young-adult novels by Sara Shepard. Beginning with 2006's initial novel of the same name. The series follows the lives of four. Pretty Little Liars is the first book in the Pretty Little Liars series by Sara Shepard published by HarperTeen. It was released on October 3, 2006. Pretty Little Liars follows four estranged best friends who are reunited a year after the leader of their clique goes missing, only to realize that they're all. With Troian Bellisario, Ashley Benson, Lucy Hale, Ian Harding. Four friends band together against an anonymous foe who threatens to reveal their darkest secrets. Pretty Little Liars was called one of the most spectacular new shows of summer 2010 thanks to heavy promotion by ABC Family, including spicy promos and hot posters.