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.

"It's spring break, and the pretty little liars are trading in Rosewood for a cruise vacation. They want nothing more than to sail into the tropical sunset and leave their troubles behind for one blissful week. But where Emily, Aria, Spencer, and Hanna go, A goes, too. From scuba diving to tanning on the upper deck, A is there, soaking up all their new secrets. Emily is smooching a stowaway. Aria's treasure-hunting partner is a little too interested...

After their missing friend's body is found and another of their friends commits suicide, four former best friends live in fear of their secrets being exposed by someone who is stalking them via their cell phones.

After surviving their latest encounter with A, high school seniors Aria, Emily, Spencer, and Hanna must try to convince the police that the real A is still on the loose, all while trying to stay alive.

#1 New York Times bestselling series The third book in the #1 New York Times bestselling series that inspired the hit ABC Family TV show Pretty Little Liars. In Rosewood, Pennsylvania, four perfect-looking girls aren't nearly as perfect as they seem. Aria can't resist her forbidden ex. Hanna is on the verge of losing her BFF. Emily is freaking out over a simple kiss. And Spencer can't keep her hands off anything that belongs to her sister. Although...

#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 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...

#1 New York Times bestselling series The fourth book in the #1 New York Times bestselling series that inspired the hit ABC Family TV show Pretty Little Liars.Four pretty little liars' charmed lives have turned into living nightmares. Emily's been shipped off to Iowa to live with her überconservative cousins. Aria's boyfriend is behind bars-because of her. Spencer's afraid she was involved in Ali's murder. But Hanna's fate is far worse: She's clinging...

The drama continues as season two begins moments after the explosive season one finale. The girls are the talk of the town -- and not in a good way. Whoever said that change is good has never visited Rosewood, PA ... or come across four pretty little liars.