What was the team's mission, and why was it dangerous?

What unusual circumstances did the team face on the mountain making it more challenging for them?

What caused the mission to turn out badly? How could it have been prevented?

What kept Marcus from succumbing to his pain and giving up?

How did Marcus react mentally to his situation after his teammates died?

How did Marcus' family respond to his disappearance? What helped them?

What did Marcus do after he recovered and was home for a while?

Why did the author write the book?