Sometimes a modern reader must smile at the elemental sci Fi building blocks of this work, but it's both an exceedingly engaging read and window into its own time.
Written in 1908, it discussed with remarkable prescience themes of industrial development, overpopulation, class struggle, and climate change. Bogdanov's perspective as an early bolshevist rival to Lenin gives him a macro insight into the class-based, economic and social dimensions of human/Martian development where modern writers too often over-focus on individuals or pieces of technology (though Bogdanov exhibits a pronounced biased fondness for the roles of engineers and doctors and scientists and the like rather than of the proletarians, as the excelllent introduction of this edition previews). A worthwhile read for fans of history, sci Fi, and communism.