"The Pilgrim's Progress" is a Christian allegory written by John Bunyan, a Puritan preacher and writer, and first published in 1678. It is one of the most famous and widely read books in the English language. The full title of the work is "The Pilgrim's Progress from This World to That Which Is to Come; Delivered under the Similitude of a Dream." "The Pilgrim's Progress" tells the story of a character named Christian who embarks on a journey from the "City of Destruction" to the "Celestial City" (Heaven). The narrative is an allegory of the Christian life, representing the struggles and challenges believers face as they seek salvation and eternal life. Christian encounters various characters and obstacles along his journey, each representing different aspects of the Christian experience. Some notable characters include Evangelist, Worldly Wiseman, Faithful, and Hopeful. The story is rich with symbolism and reflects Bunyan's deep understanding of Christian theology and his own spiritual journey.