The Tuck family is confronted with an agonizing situation when they discover that a ten-year-old girl and a malicious stranger now share their secret about a spring whose water prevents one from ever growing any older.

When a Connecticut teenager inherits vast wealth and an eccentric estate from the richest man in Texas, she must also live with his surviving family and solve a series of puzzles to discover how she earned her inheritance.

In the country of Carthya, a devious nobleman engages four orphans in a brutal competition to be selected to impersonate the king's long-missing son in an effort to avoid a civil war.

When four twelve-year-olds, including Logan, who has grown up never leaving his parents' Life Is Sweet candy factory, compete in the Confectionary Association's annual contest, they unexpectedly become friends and uncover secrets about themselves during the process.

After their friend Alison, missing for more than three years, turns up dead, four former best friends, each of whom had a secret known only by Alison, begin receiving frightening messages from someone identified by the letter "A."

After receiving an invitation to spend the summer with their estranged grandmother, the Story cousins arrive at her house only to discover that she is not there, and the longer they stay on the island, the more they realize their mysterious family history has some deadly secrets.

Monday Charles is missing, and Claudia seems to be the one person who notices. They've always been inseparable, and when Monday doesn't show up for school for two weeks, Claudia knows that something is wrong. Monday's mother refuses to give Claudia a straight answer, and her sister April is even less help. How can a teenage girl just vanish without anyone noticing that she's gone?

Everything changes for thirteen-year-old Travis, a new student who is trying to hide a learning disability, when he meets a remarkable teacher and a sassy classmate with her own secrets.

"It has been a few months since the nationwide New Candy Contest, and Logan, Miles, Philip, and Daisy have returned to their regular lives. But when the winning candy bar comes down the conveyor belt at the Life Is Sweet candy factory, Logan realizes something's very wrong. When the Candymaker announces that they will be going on tour to introduce the new candy bar, the four friends see this as an opportunity to make things right. But with a fifty-year-old...

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.