This collection gathers a selection of classic crime narratives curated to showcase the evolution and stylistic variety of the genre. Julian Symons, a noted critic and practitioner of crime fiction, selects stories that emphasize the logical deduction and atmospheric tension characteristic of the mid-twentieth-century mystery tradition. The anthology functions as a survey of the genre's capabilities, presenting various protagonists who must navigate complex social environments to resolve criminal incidents. The narrative framework shifts between different authors, providing a diverse look at how mystery writers construct puzzles and maintain suspense within the constraints of short-form fiction.

Readers and critics frequently highlight this anthology as a useful entry point for those interested in the history of the mystery genre. Discussion often centers on the editorial choices made by Julian Symons, whose background as a crime historian lends credibility to the selection process. The pacing is noted for being consistent with the era of the stories included, favoring methodical investigation over rapid action sequences. Many readers appreciate the balance between well-known authors and lesser-known contributors, which provides a comprehensive overview of the genre's development. The collection is widely regarded as a stable reference for understanding the structural foundations of classic detective fiction.