The 39 Clues

Cover

“The 39 Clues” is a planned 10-volume set about young Amy and Dan Cahill and their worldwide search for the secret to their family’s power. The first book, “39 Clues: Maze Of Bones,” is written by Rick Riordan of “The Lightning Thief (Percy Jackson and the Olympians, Book 1)” fame and has an announced first printing of 500,000. Steven Spielberg has already acquired film rights to the series.

‘Potter’ publisher looks to promote next big thing – Yahoo! News.