Rick Riordan announced that his next series will be called The Kane Chronicles. According to Riordan's blog, the series will follow "brother and sister Carter and Sadie Kane, who accidentally help unleash the Egyptian gods into the modern world, and then discover they are the only ones who can set things right."

The first book in the series, The Red Pyramid, will be released on May 4, 2010. Riordan has planned three books in the series so far, but that number may change in the fut… Continue

The world's first "Lightning Billboard" debuted on Oct 28 to promote the Lightning Thief movie, according to a Reuters article. The billboard, located at 8755 Sunset Boulevard, was powered by 1.2 million volts of electricity.

Rick Riordan will appear on a live "Advanced Agent Training" webcast with other 39 Clues authors on November 2 at 1:30 pm EST. Whoopi Goldberg will host the webcast, which you can view here.

A second trailer for the Lightning Thief movie was just released. It shows many more scenes than the first trailer but also includes Percy riding the elevator up the Empire State Building.

The trailer can be seen below or here.

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According to Rick Riordan's blog, the author has recently completed the manuscript for a new book based on Egyptian mythology. The book is scheduled to hit bookstores in May 2010. It is not related to Percy Jackson, but Riordan also mentioned that he's about to start on a new book in the Camp Half-Blood series!