Sara Shepard

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.

Aldrich University is rocked to its core with scandal and intrigue when a hacker dumps 40,000 people's emails--the entire faculty, staff, students, alums--onto an easily searchable database. Affairs and scandals immediately start leaking, but these emails become ticking time bombs that explode when Kit Manning's handsome husband, Dr. Greg Strasser, is murdered. Kit's sister, Willa, flies home to help, returning to a hometown she fled fifteen years...

Tired of being blackmailed by a stalker who is tormenting them with threats of revealing their darkest secrets and biggest mistakes, high school seniors Aria, Emily, Hanna, and Spencer team up to fight back.

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.

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.

When twenty-one-year-old social media star Chelsea Dawson disappears, Seneca, Maddox, Aerin, and Madison, noticing that she looks exactly like Aerin's murdered sister, Helena, investigate, determined to find the connection.

Now seniors in high school, Spencer, Emily, Hanna, and Aria's friendship has been torn apart by new lies and stress, but they are drawn back together when anonymous messages threatening to reveal their secrets resume.