Hercule Poirot is asked by Prince Paul of Maurania to solve the murder of Henry Reedburn, which has greatly distressed the Prince's fiancée, the famous dancer Valerie Saintclair. The only other witnesses seem to be a family of four who were playing bridge near an open window when she staggered in, crying, "Murder!"

Waiting for his car to be fixed, Mr. Satterthwaite sits in a tea shop called the Harlequin cafe, thinking of his friend Harley Quin, whom he hasn’t seen in many years. Then, in a burst of sunshine, the very same Mr. Quin walks through the door, along with his diligent dog, Hermes. Satterthwaite is telling him the very long history of the family he is off to visit, when their conversation is interrupted by the abrupt entrance of a member of that very same family, intent upon replacing her harlequin cups.

From the brilliant pen of Agatha Christie comes two novels featuring the beloved sleuthing duo: In the The Secret Adversary, Tommy and Tuppence decide to embark on a daring business scheme: Young Adventurers Ltd. But they get more than they bargained for when their first assignment for the sinister Mr. Whittington draws them into a diabolical conspiracy. Set during the dark days of World War II, Agatha Christie’s N or M? puts two most unlikely espionage agents, Tommy and Tuppence Beresford, on the trail of a pair of Nazi spies who have murdered Britain’s top agent.

The recently married Alix Martin is obsessed with a recurring dream of her new husband's murder. Each time she can see the murderer clearly, and it's the mild-mannered man she had previously been engaged to, taking his revenge. But, what's worse is that at the end of the dream she thanks the murderer. Perplexed, Alix tries to calm herself by spending time in the garden of her picturesque cottage. But her gardener confuses her further by wishing her well on her trip to London - a trip which Alix knows nothing about. Now Alix is scared: Is the gardener imagining things, or is she?

Major Hastings and Hercule Poirot are not interested in the mystery of the Spanish chest, which has been reported in the papers so often that it seems to be an entirely closed case. But, when Hastings persuades Poirot to attend a fabulous party given by Lady Chatterton, they discover someone sequestered upstairs who is desperate for their help. Will the contents of a dead man's pockets reveal to the inscrutable eye of Hercule Poirot who the culprit is?

Jane Cleveland is in desperate need of a job, and when she sees an ad for a woman of her description needed to impersonate a grand duchess, she cannot believe her luck. The royal retainers tell Jane that the job will be dangerous because attempts have been made on the Grand Duchess Pauline's life, but this only serves to make the job more appealing. Jane's disguise initially goes according to plan, but when she is kidnapped and drugged, it appears that her new employers are not all that they seem....

Movie star Mary Marvell consults with Hercule Poirot after receiving threatening letters that warn her to return her diamond, the famous "Western Star", to its rightful owner. But who does own the diamond, and is it even the genuine article?

Mrs. Packington felt alone, helpless, and utterly forlorn. But her life changed when she stumbled upon an advertisement in the Times that read: "Are you happy? If not, consult Mr. Parker Pyne." Equally adept at putting together the fragments of a murder mystery or the pieces of a broken marriage, Mr. Parker Pyne is possibly the world's most unconventional private investigator. Armed with just his intuitive knowledge of human nature, he is an Englishman abroad, traveling the globe to solve and undo crime and misdemeanor.

The Man in the Brown Suit is Agatha Christie at her best, as a young woman makes a dangerous decision to investigate a shocking “accidental” death she witnesses at a London tube station. In Agatha Christie’s classic crime adventure novel, They Came to Baghdad, a bright young adventure seeker in the Middle East finds more excitement than she bargained for when a wounded spy expires in her hotel room.

When Ebenezer Halliday's daughter's body is found stuffed underneath a train seat, the wealthy American industrialist hires Hercule Poirot to locate the murderer and over $100,000 worth of stolen jewels.

The grand-prize winner of a writing contest sponsored by the Philadelphia Dollar Newspaper, "The Gold-Bug" was one of Poe's most popular stories during his lifetime. Similar to his ratiocination tales - early versions of what we now call detective fiction - "The Gold-Bug" is full of mystery and adventure and includes a cryptogram, invisible ink, a scarab-like bug, and pirate treasure.

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 electrocuted on the rails. The Scotland Yard verdict is accidental death. But Anne is not satisfied. After all, who was the man in the brown suit who examined the body? And why did he race off, leaving a cryptic message behind?

When a number of leading scientists disappear without a trace, concern grows within the international intelligence community. And the one woman who appears to hold the key to the mystery is dying from injuries sustained in a plane crash. Meanwhile, in a Casablanca hotel room, Hilary Craven prepares to take her own life. But her suicide attempt is about to be interrupted by a man who will offer her an altogether more thrilling way to die....

Baghdad is holding a secret superpower summit, but the word is out, and an underground organization in the Middle East is plotting to sabotage the talks. Into this explosive situation appears Victoria Jones, a young woman with a yearning for adventure who gets more than she bargains for when a wounded spy dies in her hotel room. The only man who can save the summit is dead. Can Victoria make sense of his dying words? "Lucifer...Basrah...Lefarge."

Thomas Paine published Common Sense in 1776, a time when America was a hotbed of revolution. The pamphlet, which called for America's political freedom, sold more than 150,000 copies in three months. Paine not only spurred his fellow Americans to action but soon came to symbolize the spirit of the Revolution itself. His persuasive pieces, written so elegantly, spoke to the hearts and minds of all those fighting for freedom from England.