Two tangled, twisting A&E features based on Agatha Christie"s best-selling novels: "The Murder of Roger Ackroyd" and "Lord Edgware Dies". CC, about 3 hours 20 min. on 2 cassettes or 2 DVDs. Web Extra: Possible influences on Christie"s decision to name her detective Hercule Poirot: Hercule Flameau, a criminal turned detective from G.K. Chesterton"s works; Hercule Popeau, a French detective in books by Marie Bellow Lowndes; Jules Poiret, a retired French police officer created by Frank Howell Evans; poireaux, French for leeks.