Deciding to come clean about a terrible mistake they committed during spring break, high school seniors Aria, Emily, Hanna, and Spencer hope to end the blackmail of a ruthless stalker who retaliates by plotting a murderous revenge.

Before Camelia and Ben can fully grasp the powerful bond brought about by their psychometry, an unresolved family tragedy resurfaces in Camelia's life, irrevocably changing everything she cares about.

While investigating the apparent suicide of their best friend, four students at an elite boarding school uncover a series of past murders connected to ancient fairy tale curses, and they fear that their own fates are tied to the stories, dooming them to gruesome deaths unless they can forge their own paths.

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.

In an alternate England of 1851, spirited fourteen-year-old Sophronia is enrolled in a finishing school where, she is suprised to learn, lessons include not only the fine arts of dance, dress, and etiquette, but also diversion, deceit, and espionage.

When someone starts stalking high school junior Camelia, everyone at school assumes that it is Ben, who is new at school and rumored to have killed his previous girlfriend, but Camelia is nevertheless inexplicably drawn to him.

Violet, a high school junior, discovers the body of a teen killed by "the girlfriend collector" and is determined to solve the case, but the serial killer is on the lookout for a new "relationship" and Violet may have caught his eye.

"A gender-fluid teenager who struggles with identity creates a blog on the topic that goes viral, and faces ridicule at the hands of fellow students"--

Twelve-year-old Maddie runs her babysitter Janet's campaign to become mayor of their city and protect arts funding.

Two years after a horrible incident made them run away, vampire princess Lissa and her guardian-in-training Rose are found and returned to St. Vladimir's Academy, where one focuses on mastering magic, the other on physical training, while both try to avoid the perils of gossip, cliques, gruesome pranks, and sinister plots.