Pretty Little Liars: Book 1
After Alison DiLaurentis goes missing, her four best friends, Hanna Marin, Spencer Hastings, Emily Fields, and Aria Montgomery start to drift apart. But three years after Alison's disappearance the four girls start getting texts from A. All of them have something to hide and A is ready to tell it all, but can the girls figure out who A is? And maybe even solve Alison's disappearance?