This learning resource focuses on developing critical reading and detective skills through the examination of clues and red herrings in mystery narratives. It begins with the introduction of a detective's mindset, emphasizing the importance of stopping to think critically about new details encountered while reading. The resource defines key terms such as 'Functional Clue' and 'Red Herring', providing a framework for understanding the components of mystery solving. The focal story, 'The Case of the Missing Library Key', presents a scenario in which students must analyze clues to deduce the identity of a potential thief. Activities within the resource encourage students to categorize details as clues or distractions and require them to reflect on how those details influence their predictions about the story's progression. The resource concludes with reflective prompts that challenge students to create their own distractions or red herrings, reinforcing the importance of detail in reading comprehension and deduction.