Super Powers: The Raging Bulls by Alex Cliff (author)

Have you ever wondered what it would be like to be the strongest boy in the world? Or the fastest? Or even the noisiest? Max and Finlay are about to find out! When the castle walls of their den start crumbling away, trapped inside is the ancient god Hercules, and he needs their help! Together, the friends must complete a terrifying challenge every day for seven days, choosing one of Hercules’ amazing superpowers to help them each time. In this last gripping adventure, Max and Finlay must survive the charge of enormous raging bulls! Will the final superpower be enough to keep them alive?