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.

"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 to life in the hospital because she knew too much. If these girls don't start listening to me, Hanna's going to look like the lucky one"--Page 4 of cover.

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.

Hanna, Aria, Spencer, and Emily, having drifted apart after their best friend and leader, Alison, disappeared years earlier, find themselves in grave danger when they decide to pursue the truth about what happened to Alison.

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.

"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...

Spencer, Hanna, Emily, and Aria are forced to watch as all their secrets finally come to light, from their littlest lies to their darkest deeds. Now, one by one, the girls' worlds come crashing down around them. Spencer gets kicked out of Princeton. Hanna gets kicked out of her dad's campaign--and his heart. Emily gets kicked to the curb. And Aria may get kicked out of the country. Thanks to me, these girls have lost everything--except their lives,...

In Rosewood, Pennsylvania, reporters are lined up outside the historic courthouse, typing furiously at their iPhones with freshly manicured nails. Because the trial of the century is happening right here in Rosewood: the four pretty little liars have been accused of killing Alison DiLaurentis. Only Aria, Spencer, Hanna, and Emily know that they've been framed. Ali is still out there, laughing as she watches the girls go down for her murder. But when...

It's the end of seventh grade, and Alison DiLaurentis and her friends are the girls of Rosewood Day. Ali runs her clique with an iron fist, and she's got enough dirt on Hanna, Emily, Aria, and Spencer to keep them in line. But Ali's hiding a dark secret of her own, something so huge it would destroy everything if it ever got out ... and in Rosewood, deadly secrets have deadly consequences ...