Collins brings the Queen of Crime, Agatha Christie, to English language learners. Agatha Christie is the most widely published author of all time and in any language. Now Collins has adapted her famous detective novels for English language learners. These carefully adapted versions are shorter with the language targeted at upper-intermediate learners (CEF level B2). Each reader includes: * A CD with a reading of the adapted story * Helpful notes on characters * Cultural and historical notes relevant to the plot * A glossary of the more difficult words The Leonides family live together in a large and crooked house in a wealthy London suburb. When the elderly millionaire Aristide Leonides is murdered with a fatal injection, the family reluctantly suspect his glamorous, young second wife. Charles Hayward, who is engaged to the late millionaire's granddaughter, observes the family closely and makes a terrible and shocking discovery!