Q: Which is the most valuable book in the world which was sold for $8,802,500? This was also the highest price paid for a book?
A: The Voice of America by J. J. Audubon.
Q: Which is the best selling non-fiction book of all time?
A: The Bible.
Q: Who is the youngest female author in the world?
A: Dorothy Straight who wrote “How the world Began” when she was only 4 years old.
Source videos from GoNegosyo.net website