Partners in Crime. Tommy and Tuppence Beresford are restless for adventure, so when they are asked to take over Blunt's International Detective Agency, they leap at the chance. Their first case is a successthe triumphant recovery of a pink pearl. Other cases soon followa stabbing on Sunningdale golf course; cryptic messages in the personal columns of newspapers; and even a box of poisoned chocolates. But can they live up to their slogan of "Any case solved in 24 hours"? Parker Pyne Investigates. Our detective's personal ad posed a simple question, 'Are you happy? If not, consult Mr. Parker Pyne'. The answer was a resounding 'I am not happy' for a jealous wife who suspects her husband of infidelity, for a lonely widow driven to assume a new identity, for a distraught mother whose son has been kidnapped, and for a strangely reclusive bride-to-be. But what sort of detective would solicit in the personal column? The sort who has a knack for investigating affairs of the heart. For therei