Title rated 3.5 out of 5 stars, based on 36 ratings(36 ratings)
Book, 2017
Current format, Book, 2017, , Available .
Book, 2017
Current format, Book, 2017, , Available . Offered in 0 more formats
Traveling to Antarctica for a prestigious science competition, twelve-year-old Jack and his genius foster siblings, Ava and Matt, become caught up in a mystery involving a missing scientist.
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