The Secrets of Sinclar. The Wind-Up Sparrow

A detective story for schoolchildren «The Secrets of „Sinclair“. The Wind-Up Sparrow» — is a dizzying investigation and dangerous adventures that will captivate all lovers of mysteries and puzzles.
Behind the beautiful windows of the department store «Sinclair» in London lie hidden secrets. Someone has stolen a priceless box. Together with the heroes of the book for teenagers, you will find yourself in the midst of dangerous adventures and a serious investigation!
"Sinclair" — a luxurious department store in London. Crystal chandeliers, exquisite goods, elegant sellers... The perfect crime scene, where treacherous intrigues are woven. On the day of the department store's opening, someone stole a musical box in the shape of a wind-up sparrow. Suspicion falls on fourteen-year-old Sophie — a modest saleswoman from the hat department. The girl and her friends begin their own investigation. But a formidable criminal, Baron, is hunting for the box. And for the owner of the department store, the box is more important than any diamonds.