The answer is: the book will bear witness to events that must be known.
"Night" is an autobiographical novel by Elie Wiesel, who accounts his struggle as a prisoner during the Holocaust. He desires to make sure the world acknowledges what happened in concentration camps as he narrates how crude society was and how inhuman even prisoners became towards one another - mostly attemping to survive themselves.
There was a loud knock on the door, my parents were home. I didn’t know why they were home but they came. I opened the door in shock and asked them why they were home so early. They said we can home early because we have a surprise. I said really, a surprise? They said yes we are going to a different state for a few weeks. I was so ready and excited to go. I couldn’t wait, when are we leaving I asked, they said tomorrow. Ok I’ll go pack now then.
This helped him by being able to interact with his family.
I know this might be short and boring, it should work though, let me know if you have any questions and make sure to check for spelling errors and punctuation errors. Hope this is helpful, have a great day.