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.