This reprint offers historical material on the geology and gem-stones of the Mogok stone tract in Burma. The other works on the subject that have been reprinted are Rubies of Mogok, Book of the Silken East by V.C. Scott O’Connor, with an additional article On the Ruby Mines near Mogok by Robert Gordon, published in 1888. It also contains additional illustrations from The Illustrated London News, The Graphic and Natural History, 1928, and “Ruby Mine District” of the Burma Gazetteer compiled by B.C.S. George.