Heroes of the Solar System

It is described as an alternate history pulpy retro-sci-fi space opera planetary romance. It's throttled up rocket packs burning radium on the long blast to the farthest reaches of the Solar System. It's hunting thunder lizards in the upland jungles of Venus. It's battling Ancient Martian killing machines piloted by the Deutsche Marskorps across the baking red deserts of Mars.

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