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 readers have been carefully adapted using the Collins COBUILD grading scheme to ensure that the language is at the correct level for an intermediate learner. This book is Level 4 in the Collins ELT Readers series. Level 4 is equivalent to CEF level B2 with a word count of 20,000 - 26,000 words. Each book includes: - Full reading of the adapted version available for free online- Helpful notes on characters- Cultural and historical notes relevant to the plot- A glossary of the more difficult words- Free online resources for students and teachers atwww.collinselt.com/readers The plot: 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... About Collins ELT Readers Collins ELT Readers are divided into 4 levels: Level 1 - elementary (A2)Level 2 - pre-intermediate (A2-B1)Level 3 - intermediate (B1)Level 4 - upper intermediate (B2) Each level is carefully graded to ensure that the learner both enjoys and benefits from their reading experience.