The book "Fox's Book of Martyrs, or the History of the Lives, Sufferings and Solemn Deaths of Ancient Protestant Martyrs" by John Fox is one of the most famous works of English religious literature. The book tells about the life and suffering of the early Protestant martyrs who renounced their faith for the sake of Christ and suffered severe torture and death. This work became a powerful testimony about the faith, resilience and sacrifice of people in times of religious persecution. "Fox's Book of Martyrs" is a source of great information about the history of Protestantism and devotion to the faith in the circumstances when it cost the most.