We uncover this side of him quite quickly as he addressed this in his introduction “... my fascination with McCandless remained long after that issue of Outside was replaced on the newsstand…”(Author note) Krakauer wanted to understand more about why McCandless left everything (mind you that krakauer was a lot like McCandless in his reckless ways) and that is what lead him to writing the book. This was not the only reason though. He also really wanted to provide the story of Chris McCandless in detail and accurately for his family as a tribute, to those who met Chris so they could get a full report, and also to the general public as a follow up to his