The following information comes out of a book called, "Golden Jubilee Reminiscences of Our Work Under God Swedish Evangelical Free Church of the USA 1884-1934"
"Magnus Sigfried Book was born in Uppland, Sweden, January 23, 1859. He was ordained to the ministry in Stockholm, Sweden in 1883 , having completed a course in the Franson Missionary School. On January 20, 1893, he was married to Miss Mathilda Moback, and they have eight children. For a period of ten years he served in the following churches: Tierp, Stromsholm, Torshalla and Munktorp, Sweden and in Norway he served the churches in Tromso and Bergen. In the year 1893 he left for China, where he labored for 7 1/2 years under the Christian Missionary Alliance. In 1900, he came to America where he served the following churches: Holmquist, Stockholm and Naples, South Dakota. He has also travelled as an itinerant pastor in the Northwest and is now residing in Constance, Minnesota."
This person is not my ancestor. All the info I have about him is in this post. So, please do not ask me questions. There is no photo of him with this info.
Note: This same exact post / info is on the Sweden forum also. Thank you,Patricia