The stalker's identity has finally been revealed, but Spencer, Emily, Hanna and Aria are bound to repeat the past, and continue to be bad.

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.

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

"Four teens who met on an online cold-case solving forum attempt to solve another teen's murder"--

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

"Penny and her friends find an old map that takes them on a search through their town for hidden treasure"--

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.

"It's springtime in suburban Rosewood, which means iced soy lattes, fresh manicures in shimmering pastels--and prom. But while everyone else is flipping through the racks at Saks in search of the perfect dress, Hanna, Spencer, Emily, and Aria are on a different kind of hunt: they're looking for A"--Dust jacket flap.

"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...