This curiosity (a first-person account of the writer's gradual transformation from Meiji gentleman to self-proclaimed "Japanese Yankee") was first published in 1898 (by the Congregational Church) and never again seen until now.
Since then our few insights into the state of expatriation have deepened (a little) and this simple-hearted, simple-minded text is now republished by a prolific university press and fitted out with all the scholarly impedimenta appropriate to a college text.
It is the autobiography of one Jenichiro Oyama (1867-1941) who departed for North America in 1885 and (perhaps more like Rip Wan Winkle than Robinson Crusoe) resided there for a number of years.