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 Mrs Boynton, a cruel and hated woman, is found dead in the ancient city of Petra. Was it just a weak heart and too much sun that killed her, or has one of Mrs Boynton's many victims found revenge? by chance, the great detective Hercule Poirot has some useful information, but is it enough to find the killer? He has 24 hours to solve the case.