The second novel from winner of the MacMillan Prize for Picture Book Illustration Kate Pankhurst. The perfect book for 7-9 yr olds who love funny stories with quirky illustrations like DIARY OF A WIMPY KID, the DORK DIARIES and CLARICE BEAN.Mariella Mystery (That's me!) - totally amazing girl detective, aged 9 and a bit. Able to solve the most mysterious mysteries and perplexing problems, even before breakfast.Someone is trying to sabotage the Great Puddleford Bake-Off, 'Bake or Break'. It's up to Mariella and her Mystery Girls to work out who, to save the Victoria sponges and pavlovas and prevent the entire contest from turning into a veritable Cupcake Catastrophe and Kitchen Nightmare.