THE ART OF MURDER A weekend art course at an upmarket B&B near Winchester's historic cathedral is bound to be relaxing and fun. Isn't it? Not when Linzi Bray, chairman of the local art group, is in charge and the house is full of people who loathe her. Accidents start to happen - in a ruined castle, in a fast-flowing river, in a peaceful garden. There's a stalker - or is there? And there are far too many dead insects, as well as a pond full of blood and a vandalised Porsche. It's not the first time former headmistress, Harriet Quigley, and her cousin, the Reverend Sam Hathaway, have been...