Warning: You are about to read my utterly biggest secrets. Can I trust you? OK then. I'm Ella, and this is my diary. Join Ella in this two-book bind-up of her most fabulous school stories! I Pets: Ella and Zoe start their own pet-walking company! But when Peach starts acting suspiciously, the girls have to go undercover to try and save their business! Pony School Showdown: Ella and Zoe are excited about going to Pony School for the holidays-until some spoilt mean girls turn up. Will Ella's new love for horses be ruined?