The terror's a good one. If you're interested in further reading about the actual history, (plenty terrifying and mysterious in and of itself) there's an excellent recently released book that covers the whole of it, anyway it's a fascinating read.
https://www.amazon.com/Finding-Franklin-Untold-165-Year-Search/dp/0773547843
Dovetailing on this i've gotta make a plug for my Dad's recently released nonfiction book on the subject.
It's a terryfing, fascinating and mysterious history in and of itself, though The Terror is excellent historical fiction.
Anyway It's amazing that my Dad's book launch is this week. Kinda spooky!
https://www.amazon.com/Finding-Franklin-Untold-165-Year-Search/dp/0773547843
Yes actually my Dad, who's a leading franklin historian, just wrote one.
As fortune would have it the find coincides with the launch of his book.
https://www.amazon.com/Finding-Franklin-Untold-165-Year-Search/dp/0773547843