Millions of years ago, the prehistoric ancestors of today's trucks, such as garbageadon, dozeratops, and craneosaurus, roamed the Earth until they rusted out and became extinct.

In the second fantasy set in Eerie-on-Sea, Herbert and Violet team up to solve the mystery of the 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...