Unstoppable 4, Paperback


The heart-stopping 39 CLUES series returns with an even deadlier challenge, as a new enemy is revealed to be searching for The 39 Clues too...Amy and Dan's race to save the hostages reaches its thrilling conclusion.

Who will be victorious? The Cahills or the Vespers?


  • Format: Paperback
  • Pages: 192 pages
  • Publisher: Scholastic US
  • Publication Date:
  • Category: Adventure
  • ISBN: 9780545521475



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