Carman uses suspense and fear to drive the plot. The concern that housebound Ryan has for Sarah as she investigates alone creates the urgency this story needs. The grainy video provides a horror movie feel (although the acting could be much better!). The special effects are effective. In fact, they may be too much for younger, more sensitive viewers. The back and forth from text to video also feeds the urgency of the situation by echoing the emotions of the main characters. As they hide their searching from their families and wait for 'safe' moments to send messages, the readers need to switch from reading to firing up the computer echo those actions.
A great mystery ghost story for middle school to teen readers!