Here is the cover of the Autobiography.  It is now available for sale on the Items for Sale page.  It is 5.5 by 8.5 inches and contains 114 pages.  Besides the Autobiography, it contains the Genealogies of 1898 and the 1927 update.  It also contains 21 pages of photographs, 14 of which are carte-de-visite photographs from a private album.