Hetty Wainthropp Investigates Author:David Cook, John Bowen Hetty Wainthropp is in a picky mood - a trip to Italy with Bolton's senior citizens in a bald-tyred charabang isn't enough to take her mind off Wainthropp Detective Agency back home. Little does she know, however, that in a few hours she will be plunged into a mystery with Mafia connections.