In the “10 Days in Google Books game,” Google’ll ask you five trivia questions on a different theme. You can search Google Books to find the answers with hints to help you along the way. After you answer each day’s questions, you can enter a contest to win a Sony Reader. For official rules, including prize descriptions, visit http://books.google.com/game. The first 20,000 people to play the game’ll also receive commemorative Google Books laptop stickers. Start playing now!