The Blood of Olympus is by Rick Riordan. The fifth book in The Heroes of Olympus series. The heroes must get the statue of Athena back to Camp Half-Blood to stop the war with the Roman who are besieging the camp. They must also reach Athens to stop Gaea from rising. Will Percy, Jason, and their friends be able to stop Gaea and save their camps and the world? Fans of this series will not be disappointed.
Ratings: 6th grade - 7 out of 10.