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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.

©2016 C. Alexander London (P)2016 Scholastic Inc.

What members say

Average Customer Ratings

Overall

  • 4.5 out of 5 stars
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Performance

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Story

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  • Overall
    5 out of 5 stars
  • Performance
    5 out of 5 stars
  • Story
    5 out of 5 stars

Great Book

I enjoyed this book and would recommend it to anyone who likes adventure, but be sure to read the first 3 series before this, or the story may not make the most sense.

1 of 1 people found this review helpful