Final answer:
In <em>Into Thin Air</em>, Jon Krakauer expresses concerns about Anatoli Boukreev's decision to leave clients alone, his poor communication skills, and his inability to handle extreme weather conditions.
Step-by-step explanation:
In his book <em>Into Thin Air</em>, Jon Krakauer expresses several concerns about Anatoli Boukreev, a guide on Mount Everest. One of the concerns Krakauer raises is Boukreev's decision to leave clients alone on the mountain. Krakauer believes that this goes against the principles of guiding and puts clients at risk. Another concern Krakauer has is Boukreev's poor communication skills. Krakauer feels that effective communication is crucial in such a dangerous environment. Lastly, Krakauer expresses concern about Boukreev's inability to handle extreme weather conditions. This is a significant issue when climbing Mount Everest, as the weather can quickly become life-threatening.