Goliath
Goliath is described in the biblical Book of Samuel as a Philistine giant defeated by the young David in single combat. The story signified Saul's unfitness to rule, as Saul himself should have fought for the Kingdom of Israel.
David and Goliath (book)
David and Goliath: Underdogs, Misfits, and the Art of Battling Giants is a non-fiction book written by Malcolm Gladwell and published by Little, Brown and Company on October 1, 2013. The book focuses on the probability of improbable events occurring in situations where one outcome is greatly favored over the other. The book contains many different stories of these underdogs who wind up beating the odds, the most famous being the story of David and Goliath. Despite generally negative reviews, the book was a bestseller, rising to #4 on "The New York Times" Hardcover Non-fiction chart, and #5 on "USA Today" Best-Selling Books.