Summertime - as the temperature rises, so does the potential for evil. From Cornwall to the French Riviera, whether against a background of Delphic temples or English country houses, Agatha Christie’s most famous characters solve even the most devilish of conundrums as the summer sun beats down. Pull up a deckchair and enjoy plot twists and red herrings galore from the best-selling fiction writer of all time. 

Luke Fitzwilliam could not believe Miss Pinkerton's wild allegation that a multiple murderer was at work in the quiet English village of Wychwood, or her speculation that the local doctor was next in line. But, within hours, Miss Pinkerton had been killed in a hit-and-run car accident. Mere coincidence? Luke was inclined to think so, until he read in The Times of the unexpected demise of Dr Humbleby.

The Leonides are one big happy family living in a sprawling, ramshackle mansion - until the head of the household, Aristide, is murdered with a fatal barbiturate injection. Suspicion naturally falls on the old man's young widow, 50 years his junior. But the murderer hasn't reckoned on the tenacity of Charles Hayward, fiancé of the late millionaire's granddaughter.

When Tommy and Tuppence visit an elderly aunt in her gothic nursing home, they think nothing of her mistrust of the doctors; after all, Ada is a very difficult old lady. But when Mrs Lockett mentions a poisoned mushroom stew, and Mrs Lancaster talks about "something behind the fireplace", Tommy and Tuppence find themselves caught up in an unexpected adventure involving possible black magic.

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."

Dr. Arthur Calgary takes a ferry across the Rubicon River to Sunny Point, the home of the Argyle family. A year before, the matriarch of the family was murdered and a son, Jack, was convicted and sentenced to spend the rest of his life in prison. Dr. Calgary is surprised when his revelation has a disturbing effect on the family: it means one of the family is a murderer.

To understand the strange goings on at The Pale Horse Inn, Mark Easterbrook knew he had to begin at the beginning. But where exactly was the beginning? Was it the savage blow to the back of Father Gorman's head? Or was it when the priest's assailant searched him so roughly, he tore the clergyman's cassock? Or could it have been the priest's visit, just minutes before, to a woman on her deathbed? Or was there a deeper significance to the violent squabble that Mark Easterbrook had himself witnessed earlier?

In a remote house in the middle of Dartmoor, six shadowy figures huddle around a small table for a seance. Tension rises as the spirits spell out a chilling message: "Captain Trevelyan...dead...murder."

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.

When a stranger runs his car into a ditch in dense fog near the South Wales coast, and makes his way to an isolated house, he discovers a woman standing over the dead body of her wheelchair-bound husband, a gun in her hand. She readily admits to murder, and the unexpected guest offers to help her concoct a cover story.

All great crime writers have their favourite creations. Similarly, every great sleuth has his, or her, own preferred method of deduction. Take the charming Parker Pyne, who relies upon an intuitive knowledge of human nature to solve the 'Problem at Pollensa Bay'. Or Mr Satterthwaite, who seeks inspiration through his collaboration with the enigmatic Mr Quin in 'The Harlequin Tea Set' mystery. Then, of course, there's Poirot, whose measured analysis of motive and opportunity is tested to the full in 'Yellow Iris', when he receives an anonymous call about a matter of life and death. 

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.

It's seven in the morning. The Bantrys wake to find the body of a young woman in their library. She is wearing evening dress and heavy make-up, which is now smeared across her cheeks. But who is she? How did she get there? And what is the connection with another dead girl, whose charred remains are later discovered in an abandoned quarry?

A new unabridged Agatha Christie mystery, featuring the young adventurers Lady ‘Frankie’ Derwent and Bobby Jones.While playing an erratic round of golf, Bobby Jones slices his ball over the edge of a cliff. His ball is lost, but on the rocks below he finds the crumpled body of a dying man. With his final breath the man opens his eyes and says, ‘Why didn’t they ask Evans?’Haunted by these words, Bobby and his vivacious companion, Frankie, set out to solve a mystery that will bring them into mortal danger…

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?