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.

When one of their tightly-knit group mysteriously disappears, four high school girls find their friendship difficult to maintain when they begin receiving taunting messages from someone who seems to know everything about their past and present secrets.

Sylvie Bates-McAllister finds her life upended by a late-night phone call from the headmaster of the prestigious private school where her adopted son Scott teaches. Allegations of Scott's involvement in a hazing scandal cause a ripple effect, throwing the entire family into chaos. For Charles, Sylvie's biological son, it dredges up a ghost from the past who is suddenly painfully present.

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

"New York Times bestselling Pretty Little Liars Series. When the principal of an elite California preschool is attacked, three moms-- who feel like outsiders among the school's manicured and ultra-wealthy community-- must work together to uncover her secrets, and figure out who is trying to blame them for the attempt on her life. Amanda, Ronnie, and Lauren all arrive at the Silver Swans preschool Welcome Breakfast with something to hide. Amanda is...

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.

High school seniors Aria, Emily, Hanna, and Spencer have all done horrible things -- things that would put them behind bars if anyone ever found out. And their stalker 'A' knows everything. So far A has kept their secrets, using them to torture the girls. But now A's changed the game. Suddenly the girls are hauled in for questioning, and all their worlds begin to unravel. If A's plan succeeds, Rosewood's pretty little liars will be locked away for...

"#1 New York Times bestselling author of Pretty Little Liars Sara Shepard's next adult novel follows a group of mothers living in a mysterious "mommune," each of whom is running from something. When Lenna gets a call from her old friend Rhiannon, she is startled; Rhiannon disappeared years ago without a trace. But Lenna is even more startled to learn that Rhiannon has a son and that she lives off the grid with a group of women in a community called...