Agatha Christie wrote The Mysterious Affair at Styles during the midst of World War I. The book was published in 1920 and became extremely popular because of the well-grounded plot and interesting characters. The novel is set at Styles Court, a wealthy estate in England during the war. The estate's owner, Mrs. Cavendish, had inherited the estate as well as vast sums of money from her late husband.

Ten strangers are lured to an isolated island mansion off the Devon coast by a mysterious "U.N. Owen". At dinner a recorded message accuses each of them in turn of having a guilty secret, and by the end of the night one of the guests is dead. Stranded by a violent storm, and haunted by a nursery rhyme counting down one by one...one by one they begin to die. Who among them is the killer? And will any of them survive?

A far-from-warm welcome greets Hercule Poirot as he arrives for lunch at Lucy Angkatell's country house. A man lies dying by the swimming pool, his blood dripping into the water. His wife stands over him, holding a revolver. As Poirot investigates, he begins to realize that beneath the respectable surface lies a tangle of family secrets and everyone becomes a suspect.

Nurse Amy Leatheran had never felt the lure of the "mysterious East", but she nonetheless accepts an assignment at Hassanieh, an ancient site deep in the Iraqi desert, to care for the wife of a celebrated archaeologist. Mrs Leidner is suffering bizarre visions and nervous terror. "I'm afraid of being killed!" she admits to her nurse. Her terror, unfortunately, is anything but unfounded, and Nurse Leatheran is soon enough without a patient. The world's greatest detective happens to be in the vicinity, however....

On holiday on the Cornish Riviera, Hercule Poirot is alarmed to hear pretty Nick Buckley describe her recent "accidental brushes with death". First, on a treacherous Cornish hillside, the brakes on her car failed. Then, on a coastal path, a falling boulder missed her by inches. Later, an oil painting fell and almost crushed her in bed. So when Poirot finds a bullet hole in Nick's sun hat, he decides that this girl needs his help. Can he find the would-be killer before he hits his target?

When the luxurious Blue Train arrives at Nice, a guard attempts to wake serene Ruth Kettering from her slumbers. But she will never wake again - for a heavy blow has killed her, disfiguring her features almost beyond recognition. What is more, her precious rubies are missing. The prime suspect is Ruth's estranged husband, Derek. Yet Hercule Poirot is not convinced, so he stages an eerie reenactment of the journey, complete with the murderer on board.

"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 favor!" 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 - when the Colonel is found shot dead in the clergyman's study. But as Miss Marple soon discovers, the whole village seems to have had a motive to kill Colonel Protheroe.

Miss Emily was old, rich, and afraid - and now, she's dead. Her terrified plea to Hercule Poirot came a little too late. All that's left is a house full of greedy heirs, and a very strange letter that could solve the mystery - or add to it.

For an instant the two trains ran together, side by side. In that frozen moment, Elspeth witnessed a murder. Helplessly, she stared out of her carriage window as a man remorselessly tightened his grip around a woman's throat. The body crumpled. Then the other train drew away. But who, apart from Miss Marple, would take her story seriously? After all, there were no suspects, no other witnesses...and no corpse. This title was previously published as What Mrs. McGrillicuddy Saw!

Another title in the ever popular Agatha Christie series.The suave and debonair Colonel Race must solve a question, not of ‘accidental death or suicide’, but ‘murder or double murder’.Pretty, young Anne came to London looking for adventure. In fact, adventure comes looking for her – and finds her immediately at Hyde Park Corner tube station. Anne is present on the platform when a thin man, reeking of mothballs, loses his balance and is electocuted on the rails.The Scotland Yard verdict is accidental death.

Whilst organising a mock murder hunt for the village fete hosted by Sir George and Lady Stubbs, a feeling of dread settles on the famous crime novelist Adriane Oliver. Call it instinct, but it's a feeling she just can't explain...or get away from. In desperation she summons her old friend, Hercule Poirot - and her instincts are soon proved correct when the "pretend" murder victim is discovered playing the scene for real, a rope wrapped tightly around her neck.

Tommy and Tuppence are at it again. This detective couple can never walk away from a mystery and these two later novels are no exception. By the Pricking of My Thumbs: 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. Postern of Fate: 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....

Sheila Webb expected to find a respectable blind lady waiting for her at 19 Wilbraham Crescent - not the body of a middle-aged man sprawled across the living room floor. But when old Miss Pebmarsh denies sending for her in the first place, or of owning all the clocks that surround the body, it's clear that they are going to need a very good detective. "This crime is so complicated that it must be quite simple," declares Hercule Poirot. But there's a murderer on the loose, and time is ticking away.

Lymstock is a town with more than its share of shameful secrets - a town where even a sudden outbreak of anonymous hate mail causes only a minor stir. But all that changes when one of the recipients, Mrs. Symmington, commits suicide. Her final note says "I can’t go on", but Miss Marple questions the coroner's verdict of suicide. Soon nobody is sure of anyone - as secrets stop being shameful and start becoming deadly.

This is the very first Poirot/Hastings story. Set in 1916, we meet Captain Hastings as he is invalided out of the Great War and goes to convalesce at Styles Court, the family home of his great friend, John Cavendish. By an extraordinary coincidence, billeted in the village is a brilliant little retired detective with an egg-shaped head, who made a considerable impression on the Captain when he was in Belgium. Styles is not a happy household and in the blistering summer heat, tensions mount.