'THE MAIGRET OF THE DORDOGNE' ANTONY BEEVORBruno has been promoted, but his new responsibilities aren't what's making him nervous. That would be the promise he made to his friend Pamela to teach some classes at her new cookery school. Cooking the delicious traditional Perigord dishes he loves is one thing, but presenting to a class of people at the same time? In English? Even brave Bruno is quaking in his boots.The disappearance of one of the cookery school clients almost comes as a welcome rel ...