This is one of the most interesting interplanetary and interstellar histories ever printed. If astronomy is your thing and you like taking lessons in sugar-coated tablets, here's a story you won't soon forget. The story is written in a light manner, with indescribably good humor from Ray Cummings. Because of its breadth and completeness, this story easily ranks high among all the stories of interstellar space travel that emerged in the early twentieth century. Ray Cummings knows his way around science and knows how to weave the most amazing story. You simply cannot afford to pass up this story