"Poirot's Christmas is interrupted by Simeon Lee, who believes his life is threatened. Simeon is soon killed and his diamonds stolen."

"A string of thefts at a student hostel run by Miss Lemon's sister ends in death and Poirot has a number of plots and sub-plots to untangle. A certain mouse is the only witness to a string of murders."

"Poirot and Hastings are on holiday in Deauville and receive a visit from Paul Renauld, who believes he's being cheated by Chileans. Renauld is kidnapped and his body is later found buried in a new golf bunker. French detective Giraud unwisely challenges Poirot to catch the killer before he can."

"Living quietly in the small village of King's Abbot, sleuth Hercule Poirot becomes involved in the murder of successful industrialist Roger Ackroyd. The number of potential killers is almost as great as the population of the village itself. As Poirot investigates he sees that there might be a connection to the suicide of a local woman, and the death the previous year of her husband."

"Lady Edgware has a dilemma in that her husband has consistently refused to give her a divorce. She asks Hercule Poirot to visit the man and see if there is any possibility of convincing him. When Lord Edgware is found dead, there is no great surprise, but there are a good number of suspects."

"After collapsing with heart problems Hercule Poirot visits a seaside health farm on Burgh Island. While there the flirtatious heiress Arlena Stewart is found strangled on a secluded beach."

"While accompanying his friend Hastings to a dig in Iraq, Hercule Poirot becomes involved in the murder of an archaeologist's wife."

"Lucy Crale hires Poirot to solve the murder of her father sixteen years before, and Poirot finds a number of possible suspects who are still alive."

"Young Elinor Carlisle, engaged to marry the dashing Roddy Winter, finds herself charged with the fatal poisoning of Mary Gerrard, her rival in love. Poirot has the job of saving Elinor, but the evidence against her is overwhelming."

"A wealthy British heiress honeymooning on a Nile cruise ship is stalked by a former friend, whose boyfriend she had stolen before making him her new husband."

"Poirot is spending a week-end with the Angkatells, at their country house called The Hollow."

"After traveling on the Blue Train from Calais to Nice, Hercule Poirot is pressed into service to help solve the murder of heiress Ruth Kettering who is found savagely beaten in her compartment."

"Hercule Poirot finds himself investigating the murder of his dinner host, Mr. Shaitana, who was stabbed in the heart while his guests played bridge."

"Hercule Poirot's solicitor, Gilbert Entwhistle, asks Poirot to help solve a riddle and a murder."

"Hercule Poirot finds himself trying to solve the mystery of the Cloade family"

"James Bentley is arrested for the murder of old Mrs McGinty. It looks like an open and shut case, but Superintendent Spence is not convinced. He turns to Poirot for help, and together with Poirot's writer friend Ariadne Oliver they set out to find the real killer."

"Poirot finds a connection between a recent murder and a revolution in the Middle Eastern kingdom of Ramat."

"Three single girls share a London flat. The first works as a secretary; the second is an artist; the third, who comes to Poirot for help, disappears believing she is a murderer."

"On holiday in Jerusalem, Poirot hears about an archaeological expedition to Syria led by the eccentric Lord Boynton and his son Leonard, who believe they are on the track of the head of St John the Baptist. Drawn to visit the dig, Poirot meets Boynton's dominating, fabulously rich, American-born second wife. However, events are overtaken by the discovery of Lady Boynton's dead body and revelations about her fortune."

"Poirot arrives in Dover to help determine if Sheila Webb is responsible for a man's murder. Is there a connection to the discovery of a German mole within the Navy?"

"Poirot is attending a dinner party when one of the guests chokes to death on a cocktail. With no trace of poison, and no apparent motive, can it be murder?"

"Novelist Ariadne Oliver calls in her old friend Poirot to investigate a drowning at a Hallowe'en party"

"On the Orient Express from Istanbul, a ruthless American businessman is found dead. Poirot investigates and makes a life-changing decision."

"Poirot investigates a strange and gruesome murder of an elderly psychiatrist. Ariadne Oliver is pressed to try and uncover the truth behind two decade-old deaths. They soon find out that their separate investigations are linked and work together to try and solve the mystery."

"With the world on the brink of WWII, there is more political turmoil when it appears that the famous Peace Party is in fact a cover for the Big Four."

"Ariadne Oliver is asked to devise a murder hunt for a Devon f\u00eate, but her sense of foreboding summons Poirot to the scene. Her fears are realized when, during the f\u00eate, the girl playing her murder victim winds up well and truly murdered."

"In an effort to recover his confidence after a rare professional failure, Poirot sets off for the Swiss Alps in pursuit of a missing maid."

"An ailing Poirot returns to Styles with Hastings nearly three decades after solving their first mystery together there in order to prevent an unscrupulous and ingenious serial killer from claiming more victims."