1. Readers have observed Stevenson's preoccupation with duplicity. How do different forms of duplicity significantly influence the novel?

2. Some critics perceive David and Alan as two halves of a well-rounded individual. In what ways do they exhibit both opposing and complementary traits? Do these characteristics genuinely "fit" together?

3. What role does David's stay on the island play in the story? Which aspects of his personality are highlighted during this episode?

4. What appears to be the primary motivation for the Highlanders in maintaining their loyalty to a lost cause?

5. Although the visit to Cluny Macpherson's cave is not crucial to the plot, it enhances the characterization of both David and Alan. How does it achieve this?

6. David frequently considers, especially after Colin Campbell's murder, that he would be safer escaping alone rather than with Alan, who is suspected of the crime. Why does he never suggest this separation to his friend?

7. Stevenson is renowned for his love of setting. How do the various locations, especially in the Highlands, enhance the intensity and vigor of the events?

8. Do the reasons for the quarrel between David and Alan seem justified? Is the resolution of their dispute convincing? Why?

9. At the end of the narrative, several issues remain unresolved, such as Alan's escape and the murder mystery. Is the conclusion satisfactory?

10. David is horrified by bloodshed, yet he witnesses a lot of it and even causes some himself. How can his aversion be reconciled with his active involvement, particularly on the ship?

11. Stevenson strongly believed in the role of chance in human life. How significant is the role of accident in the plot of Kidnapped? Do these events seem believable?

12. Can one find Ebenezer Balfour's extreme miserliness and obsessive focus on security credible, considering the likely reasons for his miserable nature?