Grace Abounding to the Chief of Sinners is the spiritual autobiography of Bunyan, the traveling tinker who became the eminent preacher and author. It is in the genre of Augustine's Confessions and Thomas a Kempis's Imitation of Christ. Written in 1666, Grace Abounding chronicles Bunyan's spiritual journey from a profane life filled with cursing, blasphemy, and Sabbath desecration to a new creation in Christ Jesus.