Professor Todd, who is organising a conference at Cambridge University's Lucy Cavendish College in June to mark the bicentenary of Pride and Prejudice, describes the novel as "much sunnier" than Austen's other works.

BBC: Entertainment & Arts

In the 2005 film, it is Chatsworth Keira Knightley that is referring to when she jokes that her love for Darcy dates from her "first seeing his grounds at Pemberley, " but Austen expert Janet Todd, of Cambridge University's Lucy Cavendish College, says this is a mistake.

CNN: STORY HIGHLIGHTS