When Daisy Wells and Hazel Wong set up a secret detective agency at Deepdean School for Girls, they struggle to find a truly exciting mystery to investigate. (Unless you count the case of Lavinia's missing tie. Which they don't.)But then Hazel discovers the body of the Science Mistress, Miss Bell - but when she and Daisy return five minutes later, the body has disappeared. Now the girls have to solve a murder, and prove a murder has happened in the first place before the killer strikes again (and before the police can get there first, naturally),But will they succeed? And can their friendship stand the test?

    WONDER at the daring theft of the priceless CLOCKWORK SPARROW! TREMBLE as the most DASTARDLY criminals in London enact their wicked plans! GASP as our bold heroines, Miss Sophie Taylor and Miss Lilian Rose, CRACK CODES, DEVOUR ICED BUNS and vow to bring the villians to justice… Perfect for fans of Jacqueline Wilson, Chris Riddell and Enid Blyton.