http://www.goodreads.com/book/show/28186.The_Sea_of_Monsters
http://en.wikipedia.org/wiki/The_Sea_of_Monstersw.
http://www.amazon.com/Monsters-Percy-Jackson-Olympians-Book/dp/0786856866w.
http://www.betterworldbooks.com/the-sea-of-monsters-id-1423103343.aspx?PageVersion=Alt
http://www2.scholastic.com/browse/collateral.jsp?id=10915_=4676
http://en.wikipedia.org/wiki/The_Sea_of_Monstersw.
http://www.amazon.com/Monsters-Percy-Jackson-Olympians-Book/dp/0786856866w.
http://www.betterworldbooks.com/the-sea-of-monsters-id-1423103343.aspx?PageVersion=Alt
http://www2.scholastic.com/browse/collateral.jsp?id=10915_=4676