Rick Riordan is the author of The Lightning Thief. It was published June 28, 2005. He also wrote 4 other books in the series, The Kane Chronicles, The 39 Clues Series, The Tres Navarre Series, and 3 books in The Heroes of Olympus series with one coming out this fall and one next fall. Riordan is from San Antonio, Texas. He graduated from the University of Texas in Austin. He taught english and history at middle schools in the San Franscisco Area and Texas for 15 years. He then left teaching to start writing full time. Riordan loves teaching and still works with education by making appearances in schools as an author.