A timely new picture book that taps into our concern for the environment, greening our cities and guerrilla gardening. A beautiful eco-tale from the winner of the Batsford Prize You've met the Iron Giant, the Big Friendly Giant and the Selfish Giant.Now meet the Green Giant! A young girl, Bea, and her dog, Iris, are staying with her grandad in the country.Bea is bored, but Iris’s adventures lead them to the small and rusty old greenhouse next door. Inside the greenhouse, Bea finds… a giant.A giant made entirely of plants and greenery. Bea is scared, but the giant reassures her and explains that he has escaped from the grey city. Bea and the giant become friends, but can they do anything to make the grey city, and the world, a greener place? Katie Cottle was the winner of the Batsford Prize 2017 and is a rising star in the picture book world.