Stormbringer
Seagroves, William G.
In the Canadian Northern Territories, scientists clone the largest flesh-eating mammal ever to stalk the earth. When the creature falls victim to a viral infection, they administer a powerful restorative drug that has dire side effects. It starts to BECOME something else and soon murders its creators. Tracking the lone survivor to the nearest expedition, the beast sets about destroying anyone and anything that gets in its way. Jim Lyons, the s...