A diverse collection of twenty mystery and detective narratives explores the darker impulses and hidden secrets within the Canadian landscape. These stories follow various protagonists, ranging from amateur sleuths to professional investigators, as they navigate complex riddles and moral dilemmas. The collection spans nearly 150 years, showcasing a wide array of narrative styles and settings that reflect the evolution of the genre. Each entry presents a unique puzzle, forcing characters to confront deception, crime, and the unexpected consequences of their actions.

Readers frequently highlight the historical breadth of this anthology as its primary strength, noting how it tracks the development of Canadian crime writing over time. Discussion often centers on the variety of tones present, which range from traditional whodunits to more atmospheric, character-driven pieces. Critics observe that the selection effectively balances well-known tropes with unique regional sensibilities that distinguish these stories from their international counterparts. The pacing is generally described as brisk, making the collection suitable for those who prefer episodic reading experiences over long-form novels.