When soon-to-be stepbrothers, Joel and Tim, start having the same nightmare after moving into a old house, they decide to investigate its source and the many other strange occurrences in their new home.

After his parents are killed in an automobile accident, sixteen-year-old Colt McAllister moves to Arizona where he is recruited by a secret organization to join the battle against malevolent, supernatural creatures from another world.

After twelve-year-old Johnny Maxwell suddenly starts seeing and talking to ghosts, he and his friends become involved in a battle to save the local cemetery.

While working as summer employees in a local pizza parlor, three teenagers are recruited by an underground organization of monster hunters.

Thirteen-year-old Kit goes to live with his grandfather in the decaying coal mining town of Stoneygate, England, and finds both the old man and the town haunted by ghosts of the past.

While staying at the remote and reputedly haunted Maine inn run by her father and pregnant stepmother, sixteen-year-old Cynda feels increasingly isolated from her father's new family and finds solace in the attentions of a charming but mysterious guest.

Presumably the only witness to the horrific and bloody murder of his entire family, a teenage boy must outwit not only the mental health professionals determined to cure his delusion, but also the demonic forces only he can see.

Identical twins Meredith and Mallory Brynn have always shared one another's thoughts, even as they dream, but their connection diminishes as they approach their thirteenth birthday, and one begins to see the future, the other the past, leading them to discover that a high school student they know is doing horrible things that place the twins, and others, in grave danger.