I've just discovered Robert Regan's 1976 article on "English Notes": A
Book Mark Twain Abandoned. He mentions three extant portions of this
lost manuscript, of which I have found two. The third. "Property in
Opulent London", I have not found.
It occurs to me, from descriptions in Regan's article, of his diaries,
journals, and manuscripts created while working on this "book", that
there may be material of a geographic nature. I know little of his
first three trips to England and would like to include discussion of
them on my twainsgeography web site.
Perhaps someone may share a PDF of this obscure piece. I would be much