Still in the formative years of his career, Hercule Poirot faces a most taxing case: who killed Lord Cronshaw? Was Coco Courtenay's death on the same night a mere coincidence? And did she deliberately take an overdose of cocaine?

Little did Anthony Cade suspect that a simple errand on behalf of a friend would make him the centrepiece of a murderous international conspiracy. Someone would stop at nothing to prevent the monarchy being restored in faraway Herzoslovakia. The combined forces of Scotland Yard and the French Surete can do no better than go in circles - until the final murder at Chimneys, the great country estate that yields up an amazing secret.

Gipsy's Acre was a truly beautiful upland site with views out to sea, and in Michael Rogers it stirred a child-like fantasy. There, amongst the dark fir trees, he planned to build a house, find a girl, and live happily ever after. But as he left the village, a shadow of menace hung over the land, for this was the place where accidents happened. Perhaps Michael should have heeded the locals' warnings: "There's no luck for them as meddles with Gipsy's Acre."

Mrs Packington felt alone, helpless, and utterly forlorn. But her life changed when she stumbled upon an advertisement in The Times which read: "ARE YOU HAPPY? IF NOT, CONSULT MR PARKER PYNE". Equally adept at putting together the pieces of a marriage or the fragments of a murder mystery, Mr Parker Pyne was possibly the world's most unconventional private eye, and certainly its most charming.

Clarissa, the wife of a Foreign Office diplomat, is given to daydreaming. "Supposing I were to come down one morning and find a dead body in the library, what should I do?" she muses. Clarissa has her chance to find out when she discovers a body in the drawing-room of her house in Kent. Desperate to dispose of the body before her husband comes home with an important foreign politician, Clarissa persuades her three house guests to become accessories and accomplices.

A classic Marple mystery, read by the inimitable Richard E. Grant. 'Anyone who murdered Colonel Protheroe,' declared the parson, brandishing a carving knife above a joint of roast beef, ‘would be doing the world at large a service! 'It was a careless remark for a man of the cloth. And one which was to come back and haunt the clergyman just a few hours later. From seven potential murderers, Miss Marple must seek out the suspect who has both motive and opportunity.

Tommy and Tuppence 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.

Here are 12 ingenious, witty mysteries showing the author at her best, including: the curious disappearance of Lord Listerdale, the strange meeting on a train of a feckless man and a beautiful girl, and Philomel Cottage and the extraordinary country house visit of Edward Robinson. Each is expertly narrated by Hugh Fraser.

Sir Stafford Nye's journey home from Malaysia to London takes an unexpected twist in the passenger lounge at Frankfurt: a young woman confides in him that someone is trying to kill her.

So far, it had been a typical New Year's Eve house party. But Mr. Satterthwaite, a keen observer of human nature, sensed that the real drama of the evening was yet to unfold. So it proved when a mysterious stranger arrived after midnight. Who was this Mr. Quin? And why did his presence have such a pronounced effect on Eleanor Portal, the woman with the dyed-black hair?