Four new stories: Horrid Henry's Invasion - Horrid Henry and Perfect Peter keep invading each other's rooms. Moody Margaret's Sleepover - Moody Margaret invites all the members of the Secret Club for a sleepover, with catastrophic results. Horrid Henry's Autobiography - Miss Battle-Axe's class all have to write their autobiographies, the best to be published in the local paper. Horrid Henry Rocks - Horrid Henry wants to go to the Killerboy Rats concert while his family want to go to the Daffy and her Dancing Daisies concert.