Patricia Cornwell on the latest adventure for Kay Scarpetta

Patricia Cornwell tells us about her new novel The Bone Bed - her 20th book to feature her character, the crime solving medical examiner Kay Scarpetta.

Patricia tells us that she has become a very knowledgeable scientist when researching her books even though she dropped chemistry at school after three days!

She also talks about rumours Angelina Jolie could play Kay Scarpetta in a film version of her books.

Patricia Cornwell's latest Kay Scarpetta novel, 'The Bone Bed', is out in hardback today.