You might want to have a long chat with a CPA, certified public accountant , instead of reading a book about investing.
There are investing companies like Edward Jones to consider as well.
Probably you'll find most are 'How NOT To' books. A lot of people have burned thru huge fortunes in history. Don't change your life for money.......
Put it in a non interest bearing account. After you pay your initial tax, they won't be able to tax the income from your interest.
No. Call a good tax attorney and financial advisor.
Yes. Read the book: The wealthy barber.
sorry for your loss