Percy Jackson Books
http://www.percyjacksonbooks.com
Website for the Percy Jackson and the Olympians series.
Rick Riordan: Author Website
Official author website for Rick Riordan.
The Lightning Thief: IMDb
http://www.imdb.com/title/tt0814255/
IMDb page for The Lightning Thief movie, released in 2010.
Greek Mythology
A database containing information on Greek mythology and the stories of its various figures.