___THE INSTANT SUNDAY TIMES BESTSELLER___

The explosive new thriller featuring MI6 operative Luke Carlton on his most terrifying mission yet.

Deep within the Arctic Circle, three scientists from the UK's Arctic Research Station trudge through a blizzard in search of shelter. They see a cabin ahead. It appears abandoned. No lights. No snowmobile outside. But as they push open the door, the smell hits them. Rank and foetid: there's something bad inside.

Then movement. A ...