Chain Letter: Books 1 & 2

He knows their secret and he wants to play...

Chain Letter
When Alison and her friends start receiving chain letters demanding dangerous and impossible deeds from them, they figure it is just a sick joke. Until one by one they start to go missing ...

Chain Letter - The Ancient Evil
Just when they thought they were safe, the letters start being delivered again. This time demanding even more horrific tasks from them in return for their lives. Can they survive long enough to uncover the sender?