It's busy day for Fast Fire Engine.Ahot air balloon gets stuck,there is a fire at the farm and Fast Fire Engine is caled to the zoo.But what could the vet need Fast Fire Engine for?Find out in this lively storybook.It's busy day for Fast Fire Engine.Ahot air balloon gets stuck,there is a fire at the farm and Fast Fire Engine is caled to the zoo.But what could the vet need Fast Fire Engine for?Find out in this lively storybook.