""Knocking: The Words Of Jesus At The Door Of The Heart, A Sacred Monody"" is a book written by John Ross Macduff in 1884. The book is a collection of meditations on the words of Jesus Christ found in the Bible, particularly those related to the concept of knocking at the door of the heart. Macduff's writing is intended to inspire readers to open their hearts to Christ and to deepen their faith in God. The book is divided into several chapters, each...