Imperial Earth (1975) is a saga about the colonization of the solar system. The thematic determinants of the novel are determined by extrapolations of scientific hypotheses related to interplanetary travel, and by the SETI program.
"The Evolution of Divinity" was published in 1912, and the subtitle "From the Sphinx to Christ" indicates that it is the first part of a larger whole. The second part (which remained unwritten) was supposed to show the esoteric tradition from Christ to Lu