Mavis the Little Tugboat Saves the Bridge

A part of the Little Tugboat series - true stories of thetug's heroics in a children's series which show randomtugboat adventures through the eyes of imaginary tugboatcharacters and their captains.Contained on every book:Tugboats are the unsung heroes of our waterways - theymove other boats and structures through our waterwayssuch as ships into harbours and small and narrow canalsoil platforms bridge pylons and undersea tunnels intoplace. Some act as icebreakers or salvage boats. Tugboats are the fire engines of the water. No matter whata tug's specific job is they are strong nimble and oftenoverlooked.