The Mark of Athena

In the book seven half bloods go on a quest to save Rome from two giants and follow the Mark of Athena. The Mark of Athena is a quest that children of Athena take to get back a giant statue of Athena that was stollen. There are three challenges to overcome. Most children of Athena fail because they hate spiders and a giant one is guarding the statue. They travel in a giant war ship.They also fight giants that are trying to take over the world! I like the book because there were so many characters.