As he grieves his best friend Benny's death, Mason and his friend Calvin, who are targeted by the neighborhood bullies, create an underground haven for themselves, but when Calvin goes missing Mason finds himself in trouble.

Watching from beyond the grave while her long-lost identical twin, Emma, assumes her identity, Sutton Mercer witnesses the discovery of a dark family secret and realizes that someone from Emma's past may be her own killer.

Lylah's five best friends and roomates at a university begin receiving threatening letters on Valentine's Day before being murdered, one by one.

On Halloween, a copycat killer may be stalking a town still reeling from murders that took place one year earlier.

Relates the efforts of teens Elayah, Liam, Jorja, and Marcie to solve a 1986 murder, and the actions of their then-teenaged fathers leading up to the crime.

When thirteen-year-old Logan and his family move into a run-down old house in rural Virginia, he discovers that a woman was murdered there and becomes involved with his neighbor Arthur in a dangerous investigation to try to uncover the killer.

While writing letters to Innocence X, a justice-seeking project, asking them to help her father, an innocent black man on death row, teenaged Tracy takes on another case when her brother is accused of killing his white girlfriend.

Stella North is one of twelve young pilots competing in a 1937 air race meant to promote peace in Europe, but when one of her competitors is sabotaged, Stella races to determine who is capable of murder, and who might be the next victim.

Soon after receiving an anonymous message stating that she has twenty-four hours to play a game by the sender's rules or he will kill her sister, sixteen-year-old Crystal Donovan realizes that cooperating will destroy her friends' lives and she must figure out a way to beat the kidnapper at his own game before she loses everything.

In 1578 Hungary, sixteen-year-old Anna is elevated from scullery maid to chambermaid by the young and glamorous Countess Elizabeth Bathory, falling completely under the Countess's spell until Anna realizes that she is not a friend but a prisoner of the increasingly cruel and murderous Elizabeth.