Hunter Brady's Halocaust questions.

What i know about the halocaust.

1. The nazis were in power.
2. The jews were persecuted.
3. death camps were built.

What i want to know.

1. How did Hitler die?
2. How were the nazis able to keep the death camps hidden?
3. How were the nazis able to get orders to biuld the death camps?

What i expect from The Book Thief.

1. Answers.
2. Reasons for the Halocaust.
3. A good read.