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I am going to write a few words about a book i have recently read. The story is written by the well-know Russian writtens A.Ivanov. The title of the book is Mystery sapphire cross. It is a humorous detective story. The plot of the book is incredibly interesting, exciting and intricate.The book tells us about a boy and his company. There are some humorous and funny episodes in the book. If you like exciting detective stories I advise you to read it