Tension builds slowly but it's worth staying with the story. It seems quite credible that ordinary people could find themselves in the kind situations that evolve as the tension builds. There's enough of the story that draws on what already happens to make the step into what that might develop quite plausible. At first I disliked the repeated phrases - it's a journal format - but by the end I felt that the normality of this person's life came over more forcefully in those beginning stages and made the progression of the story even more shocking.

I read the book …