Agatha Christie's The Queen of Crime Collection. Agatha Christie fans will be positively captivated by three of her most memorable mysteries - Sparkling Cyanide, Why Didnt They Ask Evans? and Seven Dials Mystery. Why is a glamorous wife poisoned? Will Lady Frankie Derwent solve the riddle of a dying mans last words? How did a weekend house party turn so deadly? The charming settings, the unforgettable characters and keen insight into the darker motives of mankind make for a thrilling viewing experience. A stellar cast of award-winning actors, including Sir John Gielgud, bring their superb talent to these tales of murder, mystery and mayhem.