Contest--Battle of the Labryrinth by Rick Riordan

Would you like to win a copy of Rick Riordan's BATTLE OF THE LABRYRINTH? To enter do one of the following and put your answer in a comment on this post. Remember to include your name, last initial and teachers. Contest ends Friday, March 12 at 11:59PM.
Name a Dewey number that you can find a book about Greek Gods or Goddesses, Ancient Greece, stories about Ancient Greece including the Trojan War and the Odyssey.
Do not repeat and please only submit ONE Dewey number.

Bonus: listen to chapter one of THE LIGHTNING THIEF by copying and pasting this link in your brower: http://www.rickriordan.com/wp-content/uploads/2008/04/lightningthief22.mp3