You are cordially invited to attend the Grand Opening of Sinclair’s department store! Enter a world of bonbons, hats, perfumes and MYSTERIES around every corner. 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 villains to justice…

‘A wonderful book, with a glorious heroine and a true spirit of adventure’  Katherine Rundell, award-winning author of Rooftoppers Katie

'A brilliant historical detective novel – I read it in one sitting and couldn’t put it down! The characters were really believable and the story was so exciting. My new favourite!' Celeste, age 13