Horrid Henry is accused of stealing Margaret's mobile phone which he denies. For once, he is telling the truth, but things soon escalate out of control.
Horrid Henry wears his pyjamas to school and manages to get out of providing an explanation by talking about his father's daring deed of scaring a spider away.
When Peter finds out that his most favourite author in the world lives just down the road, Henry has to turn writer to stop things going horridly wrong.
