4.50 from Paddington. Level 5. B2+

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 5 in the Collins ELT Readers series. Level 5 is equivalent to CEF level B2+ with a word count of 22,000 – 30,000 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
The plot:
A woman is murdered on a train.
When Miss Marple telephones her friend Lucy Eyelesbarrow and asks her to go undercover to investigate, Lucy quickly accepts the challenge! Who is the dead woman? What was the motive for her murder? And why was the body thrown from the train and later hidden at Rutherford Hall?
When a second murder takes place, everyone at Rutherford Hall seems in danger, so Miss Marple sets a trap to catch the murderer.