Journalist Jon Krakauer, on assignment from Outside magazine, was in Hall's party. He published the bestseller Into Thin Air about the experience. Anatoli Boukreev, a guide who felt impugned by Krakauer's book, co-authored a rebuttal book called The Climb. The dispute sparked a large debate within the climbing community. In May 2004, Kent Moore, a physicist, and John L. Semple, a surgeon, both researchers from the University of Toronto, told New Scientist magazine that an analysis of weather conditions on that day suggested that freak weather caused oxygen levels to plunge approximately 14%.
