Agatha Christie Mysteries 5 Books Collection Set – Hercule Poirot Series brings together five gripping novels featuring the legendary Belgian detective, Hercule Poirot. This classic collection includes: 1. The Big Four – Poirot faces an international crime syndicate in a fast-paced global chase. 2. The Murder of Roger Ackroyd – A groundbreaking whodunit with one of the most shocking twists in mystery fiction. 3. The Murder on the Links – Poirot investigates a murder at a French golf course with a maze of clues and suspects. 4. The Mysterious Affair at Styles – Poirot’s first-ever case, solving a poisoning in a country manor. 5. The Mystery of the Blue Train – A glamorous murder on a luxury train leads Poirot into a web of secrets and deception.