This book is an imaginative retelling of Sir John Franklin's 1845 expedition to find the Northwest Passage. Albeit a bit verbose and certainly not starving for detail in its 940 page recounting of the ill-fated attempt at discovery, this novel delivers suspense, a bit of horror, and symbolism. The ships are frozen in place, the chance of rescue less and less likely, the supplies are toxic and dwindling, and there's something out on the ice that is literally clawing its way into the ships and presumably feeding on the crew it manages to abduct. It's definitely a slow burn but, in my opinion, all the better for it. You feel cold when Simmons describes the harsh conditions and situations the characters find themselves in. You find yourself turning pages rapidly; always thirsting for what happens next. If you're a Stephen King fan, you'll likely enjoy this book. If you're the type that needs immediate resolution, look elsewhere.