Book 1

Lurker

by Stefan Petrucha and Thomas Pendleton

Published 1 August 2007

Book 4

Crush

by Stefan Petrucha and Thomas Pendleton

Published 27 May 2008
The life of social outcast Jonathan turns nightmarish when his high school tormentors are killed, one by one, and Jonathan spots a shadowy spirit outside his bedroom window.

Book 5

Prey

by Stefan Petrucha and Thomas Pendleton

Published 9 September 2008
Sixteen-year-old Chelsea's obsessive-compulsive disorder (OCD) causes her to believe she must continually count objects to prevent awful things from happening, but when she agrees to pet-sit her biology teacher's six-foot monitor lizard, counting may not be enough.

Book 6

Skin

by Stefan Petrucha and Thomas Pendleton

Published 1 December 2008
Seventeen-year-old Peter experiences strange sensations and violent compulsions after getting a tattoo to match that of Brianna, a girl employed by the gym where he works out, who is undergoing some personality changes of her own.