Convicted killer Amanda Knox has won $54,154 in damages after suing the author of a book for invading her privacy and revealing details of her sex life, Sky News reported.

Knox, who was jailed over the murder of British student Meredith Kercher, launched the civil case in Milan last year while her murder trial was taking place in Perugia.

The book, Amanda And The Others, was serialized in an Italian newspaper and became an instant best-seller.

Leading crime journalist Fiorenza Sarzanini used excerpts of Knox's notebooks and diary in her book.

Knox's lawyer Carlo Dalla Vedova argued the publication of "Amanda's personal and private property" was an invasion of her privacy.

In her diary Knox had written: ''So I am at the police station after a long day in which I describe how I was the first person to arrive home and find my flatmate dead."

The book also described in detail Knox's sex life and carried an interview with an Albanian who claimed she enjoyed wild love-making, but it later emerged it had been invented.

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