#1 New York Times bestselling series The second book in the #1 New York Times bestselling series that inspired the hit ABC Family TV show Pretty Little Liars. In ultra-exclusive Rosewood, Pennsylvania, four beautiful girls are hiding very ugly secrets. Spencer covets her sister's boyfriend. Aria is fantasizing about her gorgeous young English teacher. Emily is infatuated with the new girl at school. And Hanna is using some ugly tricks to stay amazingly...

#1 New York Times bestselling series The fifth book in the #1 New York Times bestselling series that inspired the hit ABC Family TV show Pretty Little Liars. In idyllic Rosewood, Pennsylvania, four very pretty girls just can't help but be bad. Hanna will do anything to be Rosewood's queen bee. Spencer's digging up her family's secrets. Emily can't stop thinking about her new boyfriend. And Aria approves a little too strongly of her mom's taste in...

#1 New York Times bestselling series The ninth book in the #1 New York Times bestselling series that inspired the hit ABC Family TV show Pretty Little Liars. It's been a year since the mystery of their former friend's disappearance was finally laid to rest, and Aria, Spencer, Hanna, and Emily have worked hard to put their lives back together. Now seniors in high school, the pretty little liars are older, but they're not any wiser. Last spring break...

#1Crushed is the thirteenth book in New York Times bestselling author Sara Shepard’s compelling Pretty Little Liars series.

When one of their tightly-knit group mysteriously disappears, four high school girls find their friendship difficult to maintain when they begin receiving taunting messages from someone who seems to know everything about their past and present secrets.

OAO isn't done with them yet. The #1 "New York Times"-bestselling Pretty Little Liars series continues with more scandals, secrets, and drama.

Seventeen-year-old Sutton Mercer watches from the afterlife as her long-lost twin sister, Emma Paxton, continues to pretend to be her in order to identify Sutton's killer.

Former best friends Emily, Aria, Hanna, and Spencer continue to live in fear as they struggle to keep hidden even more secrets and someone new begins stalking them via their cell phones.

Forging a friendship based on their mutual hatred of a philandering boy, five girls imagine a perfect way to kill him and must prove their innocence when he is killed in the exact manner they envisioned.

On trial for murdering an actually still-alive Alison DiLaurentis, only Aria, Emily, Spencer, and Hanna know they have been framed and resolve to beat Ali at her own game.