Answer:
**Summary of Chapter 21:**
To write a summary, focus on the main events that occur in the chapter. Identify the key plot points and the actions of the main characters. Keep it concise and ensure it reflects the progression of the story in chapter 21.
**Gabriel’s Perspective:**
To get inside Gabriel's head, consider his motivations, his conflicts, and his interactions with other characters in this chapter. Reflect on how he responds to the situations he faces, and use direct quotes or descriptions from the chapter to illustrate his feelings, thoughts, fears, and wonders.
**Predictions:**
Based on the events of chapter 21 and the overall direction of the novel, make educated guesses about the future developments in the story. Consider the characters' goals and the obstacles they face. Think about the themes of the book and how they might influence the outcomes of the story.