The past 20 years have seen a sinister change in the behaviour of obsessional fans - the nuisance factor has turned into the fear factor. From Steffi Graff and George Harrison to Stephen King and Jodie Foster, all are only too aware of the menace of the stalker. What is it like to be bombarded by threatening letters and followed by an obsessive fan? What changes devotion to hatred and how do the stars cope with the pressure? And how do ordinary people who are also victims handle this sinister phenomenon? Featuring case histories of the famous and not-so-famous, and in-depth interviews with the victims and their families, the counsellors, the therapists - and the stalkers themselves - author and journalist Jean Ritchie has written an account of a menace that is only too real.