Fortunately, the Cahills and Alistair make it out on time along with Saladin, Grace's cat. The mansion shortly burns down due to the Holts. Dan, Amy and Alistair Oh find a hidden library in Grace's house. Amy and Dan enter the Clue hunt, competing against more experienced Clue hunters: the Holt family, Alistair Oh, the Starling Triplets, the Kabras, Jonah Wizard, and Irina Spasky. At her funeral, her lawyer, William McIntyre, tells Dan, Amy, and their other relatives, of a choice between one million dollars and a chance to participate in the Clue hunt. The Maze of Bones is the first book in the series, written by Rick Riordan and published on September 9, 2008.Īmy and Dan's grandmother, Grace Cahill, changes her will shortly before her death. The series also originated tie-in merchandise, including collectible cards and an interactive Internet game. Steven Spielberg acquired film rights to the series in June 2008, and a film based on the books was set to be released in 2016, but, as of March 2023, production has not yet started. The publisher of the books is Scholastic Press in the United States.

As of July 2010, the book series has about 8.5 million copies in print and has been translated into 24 languages. Since the release of the first novel, The Maze of Bones, on September 9, 2008, the books have gained popularity, positive reception, and commercial success.

This series' primary audience is age 9–14. The first story arc concerns Dan and Amy's quest to find the 39 Clues, which are ingredients to a serum that can create the most powerful person on Earth. They chronicle the adventures of two siblings, Amy and Dan Cahill, who discover that their family, the Cahills, have been and still are, the most influential family in history. Vespers, Unstoppable, Doublecross, and Superspecial. It consists of five series, The Clue Hunt, Cahills vs. Alexander London, Sarwat Chadda and Jenny Goebel. The 39 Clues is a series of adventure novels written by a collaboration of authors, including Rick Riordan, Gordon Korman, Peter Lerangis, Jude Watson, Patrick Carman, Linda Sue Park, Margaret Peterson Haddix, Roland Smith, David Baldacci, Jeff Hirsch, Natalie Standiford, C.

The Sword Thief by Peter Lerangis