SEATTLE--(BUSINESS WIRE)--(NASDAQ:AMZN)—Amazon today announced its best-selling books of 2014, best-selling Kids & Teens books, as well as the Most Gifted and Most Wished For books of the year—just in time for last-minute holiday gifting. The Invention of Wings by Sue Monk Kidd is the best-selling book overall and John Grisham’s latest novel Gray Mountain comes in at number two. The Heroes of Olympus Book Five: The Blood of Olympus by Rick Riordan is the best-selling Kids & Teens book,