The Pelican Brief is based on a novel by John Grisham.
The Medusa Plot is the first book in the Cahills vs. Vespers series .. Cahills vs. Vespers. The 39 Clues#Series Two : Cahills vs. Vespers. The book was written by Gordan Korman and released on August 30 , 2011 .. Gordan Korman. Gordan Korman. The story picks up two years after the original series The 39 Clues and is about the Cahills ' attempt to save members of their family that have been kidnapped by following the instructions given by Vesper One .. The 39 Clues. The 39 Clues. The code that appears between pages 39 and 61 reads `` The mother was murdered . ''