The Secret Adversary (Agatha Christie)

Agatha Christie's first Tommy & Tuppence book is a thrill-packed novel of international intrigue, murder and suspense.

Tommy and Tuppence, two young people short of money and restless for excitement, embark on a daring business scheme - Young Adventurers Ltd.

Their advertisement says they are 'willing to do anything, go anywhere'. But their first assignment, for the sinister Mr Whittington, plunges them into more danger than they ever imagined...

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 100 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, over 20 plays, and six novels written under the name of Mary Westmacott.