Final answer:
The author creates a tone of mystery and uncertainty when Mr. White makes the first wish in the story.
Step-by-step explanation:
The author creates a tone of mystery and uncertainty when Mr. White makes the first wish in the story. This tone is conveyed through the use of words like 'coldness' and the speaker's inquisitive questions. The author's intention is to engage the reader and create a sense of anticipation for what will happen next.