Ghost in the Machine — Patrick Carman

Strange things are happening in Skeleton Creek...and Ryan and Sarah are trying to find out why. Ryan writes down everything in his journal, and Sarah records everything on her videocam. The two move deeper into the mystery they've uncovered, determined to discover the secrets buried in Skeleton Creek, in the conclusion to Patrick Carman's thrilling series.

In this groundbreaking format, the story is broken into two parts -- Ryan's text in the book, and Sarah's videos on a special website, with links and passwords given throughout the book.