Introduction and Notes by Dr Ian Littlewood University of Sussex. Adultery is not a typical Jane Austen theme but when it disturbs the relatively peaceful household at Mansfield Park it has quite unexpected results. The diffident and much put-upon heroine Fanny Price has to struggle to cope with the results re-examining her own feelings while enduring the cheerful amorality old-fashioned indifference and priggish disapproval of those around her.