Continuity mistake: In the danish version of the book, when Norah is examining the water sample from the hole in the ice, she concludes that it is a 3% saline solution, and shortly after, they're talking about it being a 4% solution.
Factual error: The author says that Rachel and Michael (as well as Corky) are rescued by a Coast Guard MV-22 Osprey. The Coast Guard does not fly Ospreys.
10 biggest mistakes of 2017
A new menu and more - thoughts welcome...
25 biggest mistakes in classic Disney movies
First pictures of Josh Brolin as Cable for Deadpool 2
The biggest mistakes in Spider-Man: Homecoming