In this classic detective novel, a private investigator is hired by a wealthy family to resolve a blackmail issue involving the younger daughter. As he delves deeper into the case, he uncovers a web of deceit, murder, and organized crime. The detective's investigation is further complicated by his growing attraction to the older daughter, adding a layer of personal involvement to an already complex case. The novel is renowned for its gritty depiction of 1930s Los Angeles and its sharp, witty dialogue.

This novel follows the story of a hard-boiled detective in Los Angeles who becomes embroiled in a complex case when he befriends a drunk named Terry Lennox. After Lennox's wife is found dead, Lennox disappears to Mexico and the detective is left to unravel the mystery. The detective then takes on another case of a missing husband, which becomes intertwined with the Lennox case, leading to a web of deceit, corruption, and murder. The detective's pursuit of the truth leads him through a gritty and corrupt world, testing his resolve and morality.

This classic mystery novel follows a detective and his partner as they investigate a supernatural hound that has been haunting the Baskerville family for generations, supposedly causing the death of the recent family head. As the pair navigate the eerie moors surrounding the Baskerville estate, they unravel a plot of deception and murder, all while trying to protect the new heir from the same grisly fate. The story is a thrilling blend of mystery, suspense, and horror.

This book is a comprehensive collection of all 56 short stories and four novels centered around the brilliant detective, Sherlock Holmes, and his loyal friend, Dr. John Watson. Set in late 19th and early 20th century London, the stories follow Holmes as he uses his exceptional deductive reasoning and astute observation skills to solve a variety of complex and intriguing mysteries. From murder and theft to espionage and the supernatural, no case is too challenging for this iconic detective.

In a small English village, a wealthy man named Roger Ackroyd is found dead, stabbed with a dagger. The victim's friend, a retired detective, comes out of retirement to solve the murder. The detective uncovers a web of deceit, blackmail, and hidden relationships among the victim's family and employees. The shocking twist ending reveals the unlikely murderer and the ingenious method used to commit the crime.

"The Moonstone" is a detective novel that revolves around a large, valuable yellow diamond that was stolen from an Indian temple and is now in England. The diamond is bequeathed to a young woman on her eighteenth birthday, but is stolen that same night. The novel follows the investigation of the theft, which is complicated by a series of confusing events and false leads. The resolution involves the unraveling of a tangled web of deception, crime, and colonial guilt.

A renowned Belgian detective finds himself embroiled in a complex murder case aboard the luxurious Orient Express train. The victim is a wealthy American businessman with numerous enemies, and the train's diverse passenger list includes individuals of varying nationalities and backgrounds, each with their own secrets. As the train is halted due to a snowdrift, the detective must race against time to solve the murder before the train reaches its destination and the murderer has a chance to escape.

In "The Hollow Man," a renowned detective is faced with a seemingly impossible murder case. Driven by his reputation and intellect, he dives deep into the perplexing puzzle, exploring the motives and alibis of a group of suspects. As the tension rises and the truth becomes increasingly elusive, the detective's determination to solve the enigma grows stronger. With unexpected twists and a cleverly crafted plot, this gripping mystery keeps readers on the edge of their seats until the final revelation.

When a copywriter at an advertising agency suspiciously dies in a fall, a private detective goes undercover to investigate the circumstances. He discovers a world of drugs, blackmail, and deceit hidden behind the agency's seemingly ordinary facade. As he delves deeper, he must unravel a web of secrets and lies to solve the murder, all while maintaining his cover and navigating the competitive world of advertising.

In this hard-boiled detective novel, a private investigator is hired by a newspaper publisher in a corrupt western town to uncover the truth behind the murder of a local worker. As he delves deeper into the investigation, he finds himself embroiled in a chaotic war between rival gangs, corrupt police, and greedy industrialists. The detective uses his cunning and manipulation to turn these factions against each other, leading to a bloody and violent resolution.

"The Innocence of Father Brown" is a collection of short stories featuring a Catholic priest who uses intuitive and psychological understanding of human nature to solve mysteries, often surprising those around him with his detective abilities. The priest's unassuming and humble exterior hides a sharp intellect and deep understanding of the human heart, making him an unlikely but effective sleuth. His adventures take him around the world, solving crimes that baffle the police and the public.

In this noir detective novel, a private investigator is hired to find a former lover of a recently released convict. His investigation leads him into a web of corruption and crime in Los Angeles, involving a missing nightclub owner, a wealthy widow, and a stolen jade necklace. As he delves deeper into the case, he must navigate through a world of deceit, violence, and betrayal, while trying to stay alive.

In this mystery novel, a car accident strands a detective in a small English village during New Year's Eve. He is roped into participating in a nine-hour bell-ringing marathon at the local church. Weeks later, a disfigured body is discovered in a grave, leading to a complex investigation involving stolen emeralds, a decades-old robbery, and a lethal "curse" tied to the tolling of the church bells. The detective must unravel the intricate puzzle to reveal the killer's identity.

This detective novel follows a retired private investigator, Nick Charles, who, while on a Christmas vacation in New York with his wife Nora, becomes embroiled in a murder investigation. The case involves a former client of his, Clyde Wynant, who has mysteriously disappeared after his secretary was found dead. As the investigation unfolds, Nick and Nora navigate a complex web of deceit, lies, and family drama, all while maintaining their witty banter and high-society lifestyle.

In this novel, a wealthy woman is found poisoned in her country home in England during World War I. A family friend who is visiting the house at the time of the murder calls upon his friend, a brilliant detective, to help solve the case. The detective uses his unique methods to investigate the crime, revealing a complex web of family secrets and betrayal. Throughout the investigation, the detective uncovers that the victim's husband, the housekeeper, and the victim's stepsons all had motives to kill her. The detective eventually solves the crime, revealing the unexpected murderer and their ingenious method of committing the crime.

"Gaudy Night" is a mystery novel set in a women's college at Oxford University. The protagonist, a successful mystery novelist, is invited back to her alma mater as a guest of honor and soon finds herself embroiled in a series of disturbing incidents, including poison pen letters, vandalism, and threats. As she investigates, she is forced to confront her own feelings about intellectual pursuits versus emotional commitments. The novel explores themes of women's roles in society, the value of education, and the balance between personal life and professional ambition.

"The New York Trilogy" is a collection of three detective stories that explore the nature of identity and the search for meaning. The stories are set in New York City and feature various characters, including a detective, a writer, and a professor, who are all engaged in their own personal quests. These quests often involve elements of mystery, existentialism, and introspection, and the stories are interconnected in various ways, creating a complex and thought-provoking narrative.

In this classic detective novel, a group of amateur sleuths, known as the Crimes Circle, is presented with a perplexing case involving a box of poisoned chocolates that leads to the death of a gentleman and nearly kills his sister. The members of the Circle, each employing their own unique methods of deduction, take turns proposing different solutions to the mystery, revealing a complex web of motives and opportunities. As the narrative unfolds, the reader is invited to puzzle out the identity of the murderer alongside the characters, leading to a series of surprising twists and a final, unexpected resolution that challenges the conventions of the genre. This story is celebrated for its ingenious plot and its exploration of the art of detection itself.

"A Study in Scarlet" is a gripping detective novel that introduces the brilliant detective Sherlock Holmes and his loyal companion Dr. John Watson. When a mysterious murder takes place in London, Holmes and Watson are called upon to solve the case. As they delve deeper into the investigation, they uncover a complex web of revenge, love, and betrayal that spans across continents and decades. With Holmes' unparalleled deductive skills and Watson's steadfast support, the duo unravels the truth behind the murder and brings the culprits to justice. This thrilling tale not only showcases Holmes' extraordinary abilities but also explores the unique bond between the detective and his trusted friend.

This book is a crime novel set in Switzerland, where a police lieutenant is tasked with solving the murder of his former colleague. The narrative explores themes of justice, revenge, and the blurred lines between good and evil. The lieutenant, despite being terminally ill, is determined to solve the case and in the process, he uncovers a web of corruption and deceit that forces him to question his own morality and the nature of justice. The story is a philosophical examination of the criminal justice system and the moral dilemmas faced by those who enforce the law.

In "The Chill," a private investigator named Lew Archer is hired by a wealthy family to find their missing son, who disappeared during a camping trip in the Sierra Nevada mountains. As Archer delves deeper into the case, he uncovers a web of secrets, lies, and betrayals that stretches back years. With each new revelation, Archer must navigate the treacherous waters of a dysfunctional family and a small town filled with corruption and violence, all while trying to bring the missing son home safely.

Set in 1940s Los Angeles, the novel follows an African American war veteran who, after losing his job, becomes a private investigator to pay his mortgage. He is hired to find a white woman known to frequent African American jazz clubs, and in the process, he gets entangled in a web of political scandal and corruption. The story explores themes of race, class, and the complex social dynamics of the time.

In this thrilling crime novel, an elderly farmer and his wife are brutally murdered and the only clue is the wife's dying word: "foreign." This sets off a series of events that involves a dedicated detective who must solve the crime while dealing with his own personal problems. The investigation becomes even more complex when the press catches wind of the dying word, sparking a wave of xenophobia in the community. The detective must navigate through the fear and prejudice to find the truth and bring the killers to justice.

This classic crime novel centers around a man named Peter the Lett, who is suspected of committing a series of murders in Paris. He is a foreigner, a loner, and has a mysterious past, which makes him the perfect suspect for the crimes. However, as the investigation unfolds, it becomes clear that the truth is far more complex. The narrative delves into themes of identity, prejudice, and the nature of guilt and innocence, offering a psychological portrait of a man caught in a web of circumstances beyond his control.

The Last Good Kiss is a hardboiled detective novel set in the American West. The protagonist, a hard-drinking private investigator, is hired by a drunken, ex-con author to find his long-lost daughter. The search takes him from the streets of San Francisco to the Montana wilderness, where he encounters a variety of colorful characters and dangerous situations. As he delves deeper into the case, he uncovers a web of deceit, corruption, and violence that forces him to confront his own demons and question his values.