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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 book is the most readable and complete overview of the evidence that human civilization has already been nearly wiped out of the universe once – and that such cycles may repeat themselves every few tens of thousands of years.
The City of the Sun (Latin: Civitas Solis, published in 1623) is a visionary, esoteric, almost mystical utopia, deeply imbued with the Renaissance spirit, Egyptian astrology, and the Christian hope for a perfect society.
Although considered controversial by historians and often criticized as speculative and lacking solid evidence, the book is indispensable and extremely influential – it directly inspired Dan Brown's "The Da Vinci Code" and the entire genre of esoteric lit