The Maze of Bones
2008
Rick Riordan’s contribution
Book 1 of the ten-book multi-author series. The remaining novels are by other writers.
The 39 Clues: Rick Riordan’s Contribution
The Maze of Bones opens The 39 Clues. Rick Riordan wrote this first instalment and designed the overall story arc; later instalments are written by other authors and are outside this author catalogue.
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