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

After freeing her mother from an abusive relationship, Delilah Wong refuses to play a part in Logan's delusional romance -- but how can she convince him to let her go?

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.

Tessa and Eric are forced out of hiding when pop star Dorian Grey is found alive, intimate photos appear on Eric's biggest fan account, and Tessa becomes a suspect in a murder.

Madison, a senior at a suburban New York high school, tries to uncover who is responsible for the disappearance of her friends, popular students mentioned in the posts of an anonymous blogger, while she, herself, is being stalked online and in-person.

"James always knew moving from Texas to Oregon was going to be horrible. But no sooner have he and his family arrived ... than he starts getting mysterious letters from someone called the Keeper. Someone who claims to be watching him ... James and his sister, Ava, are obviously in danger. But the problem with having a history of playing practical jokes is that no one believes James--not even his parents"--

When seventeen-year-old Veronica's photograph of her introverted girlfriend goes viral, they are sent into a spiral of fame and lethal danger as they navigate the turbulent waters of their relationship, secrets, acclaim, and the underground San Diego art scene. Summer is winding down in San Diego. Veronica is bored, caustically charismatic, and uninspired in her photography. Nico is insatiable, subversive, and obsessed with chaotic performance art....

"A seventeen year old barely escapes her abusive parents and creates a new identity that is quickly compromised when her attempt to save a young girl attracts a deadly stalker"--

Thirteen-year-old Sherry helps her mother, a ghost, to investigate who is stalking Sherry's stepmother, but Sherry is also very busy with school and friends, while her mother is also striving for a gold medal in the Ghostlympics.

Shea Davison is a teen-aged TikTok star with nearly a million followers, but she is being followed by Nora, who is convinced that she and Shea are fated to be best friends--even if she has to kidnap Shea to make it a reality.