There is a new, somewhat more elaborate version of Paine's biography at:
http://etext.library.adelaide.edu.au/t/twain/paine/
It is attractively laid out but is missing the illustrations and, alas,
the index. It is, however, broken into chapters which are easy to
navigate.
Terry
Terry Ballard, Automation Librarian
Quinnipiac University, Bernhard Library
275 Mt. Carmel Avenue
Hamden, CT, 06518
203-582-8945
[log in to unmask]http://faculty.quinnipiac.edu/libraries/tballard