Riordan was born and raised in San Antonio, Texas, graduating from Alamo Heights High School. He then graduated from the University of Texas. He taught English and Social Studies for eight years at Presidio High School in San Francisco.
Riordan has created several successful book series. The multi-award-winning Tres Navarre mystery series for adults follows the fast-paced adventures of an erudite Texan private eye. His Percy Jackson and the Olympians series features a twelve-year-old who discovers he is the modern-day son of the ancient Greek god, Poseidon. Twentieth Century Fox purchased the film rights and released a feature film February 12, 2010. Following the success of Percy Jackson, Riordan created The Kane Chronicles, which features a modern-day Egyptian pantheon and two new sibling protagonists. Its first book, The Red Pyramid, was released May 4, 2010; the sequel, The Throne Of Fire, was released May 3, 2011. The third and final book in the Kane Chronicles, The Serpent's Shadow, was released May 1, 2012. Riordan also created a sequel series to the Percy Jackson books, The Heroes of Olympus. Its first book, The Lost Hero, was released in the U.S. October 12, 2010; the sequel, The Son of Neptune, was released October 4, 2011, the third book in the series, The Mark of Athena, was released October 2, 2012, the fourth book 'The House of Hades' was released on October 8, 2013, and the fifth book, The Blood of Olympus was released Fall 2014. The Sword of Summer is being released in Summer 2015. Riordan expanded both series simultaneously; while he has completed The Kane Chronicles trilogy, he continues to write The Heroes of Olympus, a pentalogy. Riordan also helped create the children's book series The 39 Clues; he authored several of its books, including The Maze of Bones, which topped the New York Times Best Seller list on September 28, 2008. Riordan plans to publish another series based on Norse mythology in 2015. He later revealed that the series will be set in Boston, Massachusetts, and that there would be the concept of demigods.
^Springen, Karen (May 31, 2012). "Rick Riordan Makes His 'Mark'". Publishers Weekly. Retrieved June 3, 2012. a cruise to the Baltic and Scandinavian countries last summer provided fodder for Riordan’s upcoming Norse series
^Jones, Trevelyn; Luann Toth; Marlene Charnizon; Daryl Grabarek; Joy Fleishhacker (December 1, 2010). "Best Books 2010". School Library Journal. Archived from the original on January 1, 2011. Retrieved January 22, 2012.