Detective novels are a genre of fiction that revolves around the investigation of a crime, typically a murder. The story often follows a detective, either professional or amateur, as they gather clues, interview suspects, and piece together evidence to solve the mystery. This genre emphasizes logical reasoning and the unraveling of complex plots, engaging readers in the process of deduction. Many detective novels feature iconic characters, such as Sherlock Holmes created by Arthur Conan Doyle or Hercule Poirot by Agatha Christie. These stories often include red herrings and plot twists, keeping readers guessing until the final reveal. The genre has evolved over time, incorporating various styles and themes, but the core element remains the pursuit of truth and justice.