At Work: Discover machines used at a construction site, on a farm, at the car garage, and so much more.Bright illustrations and informative text show a wide variety of working machines in scenes, busy at work.A really fun and engaging hot-topic for curious little engineers. Digging, ploughing, baking, flying and zooming into space.Take a look at all sorts of machines in action scenes, then turn the page to find out more.!A brightly illustrated series of four books, perfect for all young engineers, who like to see what machines do and how they work.STEM