Used Book – Grandpa's Secret, Michael Morpurgo, Michael Foreman

The narrator's parents never liked country life. He loves going to his grandfather's old farm and playing in the barn, on the old tractor. He enjoys listening to Grandpa talk about his childhood as a young farmer: he talks about his father and Joey, the horse his father saved from death during World War I. But sometimes Grandpa becomes sad and silent. His grandson wonders what secret is tormenting him... One day, the old man finally confesses that he is illiterate, and the boy then teaches him to read and write. To thank him, Grandpa writes him a new story about his father and his famous horse Joey. It is also the story of the old tractor stored at the back of the barn...