Pretty Little Liars by Sara Shepard is a series of young adult books that's also a tv show on abc family. There are 18 books in the entire series. "Three may keep a secret, if two of them are dead." -Benjamin Franklin. The first book is about five best friends: Spencer, Alison, Aria, Emily, and Hannah. Alison is the "it" girl. She's the girl everyone dreams they could be. One night at a sleep over Alison goes missing after an argument with one of her friends. She disappears and her four friends were the last ones to see her before she disappeared. A few years pass and the girls are now juniors in high school and Alison still hasn't returned. The girls have gone their separate ways and don't think they will ever be as close as before. When a body is found in Alison's old backyard, the girls think everything is over and they can move on. But something brings them together again. Texts from someone who knows everything Alison knew and more. ...