Final answer:
Jon Krakauer found a frozen body of a climber wrapped in blue plastic during his climb to Camp Two on Mount Everest, as mentioned in his book 'Into Thin Air'.
Step-by-step explanation:
During his climb to Camp Two on Mount Everest, Jon Krakauer finds a frozen body of a climber wrapped in blue plastic sheeting on the side of the trail.
This grim discovery is mentioned in Krakauer's non-fiction book Into Thin Air, which details the harrowing experiences faced by climbers during the 1996 Everest disaster.
The presence of the body serves as a somber reminder of the dangers inherent in such a challenging climb, where the environment is perilous and the margin for error is slim.