Collins brings the Queen of Crime, Agatha Christie, to English language learners. Agatha Christie is the most widely published author of all time, in any language. Now Collins has adapted her famous novels for English learners. These readings have been carefully adapted using the Collins COBUILD grading system to ensure that the language is at the right level for an upper-intermediate learner. This book is Level 5 in the Collins ELT Readers series. Level 5 is equivalent to the B2+ level of the CEF with a word count from 22,000 to 30,000.

Each book includes:

• A full reading of the adapted version available online for free
• Helpful notes about the characters
• Cultural and historical notes relevant to the plot
• A glossary of the most difficult words
• Free online resources for students and teachers

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

The Collins ELT Readers series is divided into 7 levels:

• Level 1 – beginner (A2)
• Level 2 – pre-intermediate (A2-B1)
• Level 3 – intermediate (B1)
• Level 4 – upper-intermediate (B2)
• Level 5 – upper-intermediate + (B2+)
• Level 6 – advanced (C1)
• Level 7 – advanced + (C2)

Each level is carefully designed to ensure that the learner enjoys and benefits from the reading experience.