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

It is World War II and Britain's best secret agent has been murdered. The murderers are Nazi agents, known only as N and M, and could be anyone. The only clue points towards the sleepy seaside village of Leahampton and its busy guesthouse, Sans Souci.

Tommy and Tuppence Beresford, Britain's most unlikely spies, accept the mission to find N and M. No one can be trusted...

This book is part of a book series called Collins Agatha Christie Elt Readers .

This book is aimed at children in secondary school. This reading scheme is aimed at ELT learners.

There are 128 pages in this book. This book was published 2012 by HarperCollins Publishers .

Agatha Christie is known throughout the world as the Queen of Crime. Her books have sold over a billion copies in English with another billion in over 70 foreign languages. She is the most widely published author of all time and in any language, outsold only by the Bible and Shakespeare. She is the author of 80 crime novels and short story collections, 20 plays, and six novels written under the name of Mary Westmacott.