• by C. Alexander London
  • Narrated by David Pittu
  • 6 hrs and 16 mins
  • Unabridged Audiobook

Publisher's Summary

Calling all Cahills! Announcing a 39 Clues Superspecial adventure - the gang is back, and called to investigate one of their own: Sinead Starling.


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Book Details

  • Release Date: 01-10-2016
  • Publisher: Scholastic Audio