This is the sixth book in the series and is a Scania Official Licensed Product.

A real page turner for children, this book introduces Vabis, a charming Scania truck, to the Vroom-Town readers. Vabis and some of the other trucks go on a day trip to a National Park. What a lovely adventure… or is it? Terrible Terry is up to his old tricks and causes a volcano to erupt! Will the volcano damage the environment? Will the trucks get home safely? You will have to read the book to find out…!