Question

why do you think Bob's hand began to tremble when he read the note? ( chapter after twenty years)​

Answer 1

Answer:

So, Bob's hand may be trembling because of shock or perhaps because of a sense of betrayal that his old friend would do something like this to him

Answer 2

QUESTION:

Why did Bob’s hand tremble as he finished reading the note?

ANSWER:

As Bob read the note from Jimmy Wells, he realised that his childhood friend whom he trusted completely and for whom he risked his life and came all the way to see him, had actually got him arrested. As he felt betrayed his hands trembled.