Struggling to return to normalcy after surviving Alison's attempt to kill them, Spencer, Aria, Emily and Hanna endure a series of disasters before realizing that they are being stalked by a new "A" who knows all of their secrets.

Former best friends Hanna, Aria, Spencer, and Emily, who lost their best friend and leader, Alison, years ago when she disappeared, find themselves in grave danger when they pursue the truth about Alison.

After their friend who has been missing for more than three years turns up dead, four former best friends continue to receive frightening messages from someone who knows damaging secrets about them.

Hanna, Spencer, Emily and Aria are trying to move on and forget about their old friend Alison DiLaurentis and all the torture she put them through, but someone is trying to keep her spirit alive.

Rule number one of being an effective stalker: get to know your prey, the trouble they get into, the messes they make, and the secrets they keep. Hanna's desperate for a very personal session with her gym trainer. Emily is number one on Santa's naughty list. Aria's old flame from Iceland is about to land her in hot water. And Spencer's resorting to some backhanded tactics to get what she wants.

After high school juniors Spencer, Emily, Hanna, and Aria think they have seen Ali, their missing and presumed dead friend, they pursue clues from a mysterious stalker, trying to find out if she is still alive.

Now seniors in high school, Spencer, Emily, Hanna, and Aria's friendship has been torn apart by new lies and stress, but they are drawn back together when anonymous messages threatening to reveal their secrets resume.

"Deadly, the fourteenth volume in Sara Shepard's YA Pretty Little Liars series, delivers more juicy scandals, dark secrets, and shocking plot twists. This #1 New York Times bestselling series is also a hit ABC Family original TV show. High school seniors Aria, Emily, Hanna, and Spencer have all done horrible things--things that would put them behind bars if anyone ever found out. And their stalker 'A' knows everything. So far A has kept their secrets,...

Beacon Heights es un lugar en el que todo parece perfecto hasta que se produce un asesinato en la ciudad. Un grupo de amigas de la universidad, a las que todo el mundo considera como Las chicas perfectas, de pronto, se conviertirán en las principales sospechosas. La necesidad de descubrir la verdad saca a relucir, en una red adictiva de interrogantes y engaños, la cara oculta de la perfección.