Join Tom on an incredible treasure hunt through time and battle history's mightiest warriors. The third book in a new time-travelling series - perfect for fans of Beast Quest.When ten-year-old Tom accidentally smashes a statue in a museum he releases Isis, a young Egyptian mummy who has been imprisoned for thousands of years. To break an ancient curse, the duo must travel back in time to find six hidden amulets - battling Gladiators, Knights, Greeks, Vikings, Pirates and Egyptian Warriors!On their third journey, Tom and Isis set sail in the freezing cold on a Viking longboat. Will they succeed in their treasure hunt before the terrifying Vikings begin their next raid?