Crime fiction is one of the most popular literary genres today, and has been so for more than a century. At the heart of almost all forms of mysteries, from the Golden Age puzzler to the contemporary police procedural, from hardboiled to the Japanese timetable mystery, is the investigator. He--or, increasingly, she--can be a private eye, a police officer, or a general busybody. The detective is, in fact, the key element in crime fiction; while criminals and their crimes come and go, with a few notable exceptions, the primary interest in crime novels is focused on investigators, those fascinating characters who exist at the intersection of so many different literary and social roles. The 100 Greatest Literary Detectives offers a selection of the most influential, most important, and most intriguing fictional sleuths--amateur or professional--from around the world. From Sherlock Holmes to Jules Maigret, the detectives profiled here will give readers a broader picture of the many faces of these essential characters in one of fiction's most popular genres. Each entry summarizes the distinctive features of a notable investigator and their approach to crime, provides a brief outline of major features of their fictional careers, and makes a case for their greatness based on factors such as literary-historical importance, novelty, uniqueness, aesthetic quality, or cultural resonance. The characters profiled here include Lew Archer, Father Brown, Brother Cadfael, Adam Dalgliesh, Stephanie Delacour, Mike Hammer, Miss Jane Marple, Kinsey Millhone, Hercule Poirot, Ellery Queen, Ezekiel "Easy" Rawlins, Kay Scarpetta, Sam Spade, Phillip Trent, V. I. Warshawski, Lord Peter Wimsey, and Nero Wolfe. Whether seasoned fans or new to the genre, readers will find some of their favorite detectives here, learn more about their literary and cultural significance, and will expand their reading world into uncharted territory as they discover great detectives old and new, local and international. The 100 Greatest Literary Detectives offers a fascinating look into some of the most intriguing fictional characters of all time.