In the second fantasy set in Eerie-on-Sea, Herbert and Violet team up to solve the mystery of Gargantis -- an ancient creature of the deep with the power to create life-threatening storms.
There's a storm brewing over Eerie-on-Sea, and the fisherfolk say a monster is the cause.
Someone has woken the ancient Gargantis, who sleeps in the watery caves beneath this spooky seaside town where legends have a habit of coming to life.
It seems the Gargantis is looking for something: a treas.