The Cruise Of The Mystery In McAll Mission Work (1891) is a book written by Louise Seymour Houghton. The book is a memoir of the author's experiences during her time on the McAll Mission, a Christian organization that provided aid and evangelism to the poor in France. The book follows Houghton and her fellow missionaries as they travel down the Seine River on a boat called the Mystery, stopping at various towns and villages to hold meetings and distribute...