Titles in this Set: 1. The Secret Adversary2. Partners in Crime3. N or M?4. By the Pricking of My Thumbs 5. Postern of Fate Description: The Secret AdversaryTommy 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… Partners in CrimeTommy and Tuppence Beresford were restless for adventure, so when they were asked to take over Blunt’s International Detective Agency, they leapt at the chance. After their triumphant recovery of a pink pearl, intriguing cases kept on coming their way: a stabbing on Sunningdale golf course; cryptic messages in the personal columns of newspapers; and even a box of poisoned chocolates. N or M?Tommy & Tuppence are hired to track down wartime spies at a seaside resort… It is World War II, and while the RAF struggles to keep the Luftwaffe at bay, Britain faces an even more sinister threat from ‘the enemy within’ – Nazis posing as ordinary citizens. With pressure mounting, the Intelligence service appoints two unlikely spies, Tommy and Tuppence Beresford. Their mission: to seek out a man and a woman from among the colourful guests at Sans Souci, a seaside hotel. But this assignment is no stroll along the promenade. After all, N and M have just murdered Britain’s finest agent… By the Pricking of My ThumbsAn old woman in a nursing home speaks of a child buried behind the fireplace… When Tommy and Tuppence visited an elderly aunt in her gothic nursing home, they thought nothing of her mistrust of the doctors; after all, Ada was a very difficult old lady. But when Mrs Lockett mentioned a poisoned mushroom stew and Mrs Lancaster talked about ‘something behind the fireplace’, Tommy and Tuppence found themselves caught up in an unexpected adventure involving possible black magic… Postern of FateA poisoning many years ago may not have been accidental after all… Tommy and Tuppence Beresford have just become the proud owners of an old house in an English village. Along with the property, they have inherited some worthless bric-a-brac, including a collection of antique books. While rustling through a copy of The Black Arrow, Tuppence comes upon a series of apparently random underlinings. However, when she writes down the letters, they spell out a very disturbing message:M a r y – J o r d a n – d i d – n o t – d i e – n a t u r a l l y…And sixty years after their first murder, Mary Jordan's enemies are still ready to kill…