Tomorrow Belongs to Me — Mark Roberts

A few months short of his sixteenth birthday Danny runs away from home after a huge row with his mum. After only four hours everything he owns is stolen at a motorway service station. He is approached by Luke, a 19-year-old on a road trip, supposedly making a video diary. Luke has a huge car and plenty of money and Danny likes him instantly. But Luke is not what he seems and everywhere they go a mysterious trail of death follows them. But will Danny learn the truth about Luke before it is too late?