The phrase identifies a specific literary item a book that likely recounts events occurring on the evening immediately preceding the present moment or narration. Grammatically, “book” functions as a noun, representing the physical object or the intellectual property containing the narrative. “Just last night” acts adjectivally, modifying “book” by specifying the timeframe of the book’s central subject matter. For example, a synopsis might begin: “The volume details the extraordinary sequence of events experienced by the protagonist.”
Understanding this temporal connection is crucial for appreciating the work’s intended impact. The recency of the depicted events may heighten the sense of immediacy, realism, or relevance for the reader. Such narratives frequently explore themes of consequence, memory, or the impact of recent actions. In the literary landscape, this framing device capitalizes on the audience’s inherent interest in unfolding circumstances and the potential for resolution or further development.