Final Answer:
Isabel overheard the men in the library discussing a confidential business deal involving a potential merger with a rival company.
Step-by-step explanation:
In the novel, Isabel's eavesdropping unveils a crucial plot point as she accidentally listens in on the men in the library. The men are engaged in a conversation about a strategic business move that could shape the future of the company. The details of the discussion reveal a potential merger with a rival firm, a decision fraught with implications for the characters and the overall narrative.
Isabel's discovery sets the stage for heightened tension and intrigue in the storyline. The confidential nature of the business deal adds an element of suspense and secrecy, capturing the reader's attention and driving the plot forward. The author strategically uses Isabel's perspective to offer a glimpse into the clandestine world of corporate dealings, creating a narrative twist that propels the story in a new and unexpected direction.
This revelation not only serves as a pivotal moment in the plot but also underscores the complexity of the characters' relationships and the challenges they face. By weaving this business intrigue into the narrative, the author skillfully introduces a layer of depth and unpredictability, engaging readers and keeping them invested in the unfolding events of the story.