I think that Project Gutenberg is a great idea – unfortunately most of the titles are the likes of “Rides on Railways by Samuel Sidney”. I do keep up with what they are doing via their handy rss feed though. It is thusly that I happened upon The Certainty of a Future Life in Mars by L. P. Gratacap. I haven’t finished it, not by a long shot but the gist of it seems to be that when you die you go to Mars.
And before you are born, you come from Venus.
So another interesting part is that he and his father engaged in a series of experiments to contact his departed mother by Telegraph.