Knots Untied is J. C. Ryle's leading work in defence of the evangelicalism of the Church of England. When first published in 1874 it proved immensely popular, and by 1885 it was reprinted in a tenth edition. Knots Untied is a classic volume in which Ryle covers the then current disputes about various points of religion within the Church of England, advocating and defending the evangelical position at every turn.