The Secret Adversary, which is the first novel in the series that follows Tommy and Tuppence, chronicles the pair's quest to find a mysterious woman who goes by the name of Jane Finn. Earlier in 1915, Jane Finn had been given a secret document while aboard the Lusitania, which was sunk due to a torpedo hit. That document was a treaty, and Jane was entrusted by the stranger who gave it to her to deliver it to the American Embassy located in London. Years later, the document has still never been delivered....

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....

In utter disbelief, Miss Marple read the letter addressed to her from the recently deceased Mr. Rafiel...an acquaintance she had met briefly on her travels. He had left instructions for her to investigate a crime after his death. The only problem was, he had failed to tell her who was involved or where and when the crime had been committed. It was most intriguing. Soon she is faced with a new crime...the ultimate crime...murder. It seems someone is adamant that past evils remained buried....

What is the connection among a failed suicide attempt, a wrongful accusation of theft against a schoolgirl, and the romantic life of a famous tennis player? To the casual observer, apparently nothing. But when a house party gathers at Gull's Point, the seaside home of an elderly widow, earlier events come to a dramatic head. As Superintendent Battle discovers, it is all part of a carefully laid plan - for murder.

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.

As Miss Marple sat basking in the Caribbean sunshine, she felt mildly discontented with life. True, the warmth eased her rheumatism, but here in paradise nothing ever happened. Eventually, her interest was aroused by an old soldier's yarn about a murderer he had known. Infuriatingly, just as he was about to show her a snapshot of this acquaintance, the Major was suddenly interrupted. A diversion that was to prove fatal.

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.

Mrs Packington felt alone, helpless, and utterly forlorn. But her life changed when she stumbled upon an advertisement in The Times/i> 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.

It had been a typical New Year's Eve party. But as midnight approaches, Mr. Satterthwaite - a keen observer of human nature - senses that the real drama of the evening is yet to unfold. And so it proves when a mysterious stranger knocks on the door. Who is this Mr. Quin? Mr. Satterthwaite's new friend is an enigma. He seems to appear and disappear almost like a trick of the light. In fact, the only consistent thing about him is that his presence is always an omen - sometimes good, but sometimes deadly....

"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.

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.

The Leonides were one big happy family living in a sprawling, ramshackle mansion - until the head of the household, Aristide, was murdered with a fatal barbiturate injection.

"Anyone who murdered Colonel Protheroe," declared the parson, "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.

One minute, silly Heather Babcock had been babbling on at her movie idol, the glamorous Marina Gregg. The next, Heather suffered a massive seizure, poisoned by a deadly cocktail. It seems likely that the cocktail was intended for the beautiful actress. But while the police fumble to find clues, Miss Marple begins to ask her own questions, because as she knows...even the most peaceful village can hide dark secrets.

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."