The Yearling (book)
One day while Jody and his father are searching for their lost farm animals, his father is bitten in the arm by a rattlesnake. Father shoots a female deer, in order to use its liver to pull out the snake's poison. Father's life is saved. But the dead deer had a fawn, a young deer. Jody's parents let him keep the young deer. The boy and the deer, named Flag, grow together closely.