"A Dog's Tale" by Mark Twain is a short story written in 1903. Told from the perspective of a mixed-breed dog, the narrative follows her devotion to her human family through moments of heroism and heartbreak. After saving a child from a nursery fire, she suffers a cruel misunderstanding. Later, tragedy strikes when her own puppy becomes the victim of a scientific experiment, leading to a haunting conclusion about loyalty, sacrifice, and the innocent suffering of animals.