The great Grimsby adventure continues as you follow young Havelok, who loves being a prince until his life changes drastically when Viking training begins and his father goes to Valhalla. Meanwhile, Grim the Viking is ordered by the usurper Godard to throw a mysterious glowing sack into the sea. Instead of obeying, Grim opens the sack and discovers Havelok inside, leading them on an epic journey that inspires the founding of Great Grimsby. Suitable for readers aged 8 to 12 years old.