Johannes Kepler, born in 1571 in south Germany, was one of the world's greatest mathematicians and astronomers. The author of this book uses this history as a background to his novel, writing a work of historical fiction that is rooted in poverty, squalor and the tyrannical power of emperors.

Johannes Kepler, born in 1571 in south Germany, was one of the world's greatest mathematicians and astronomers. The author of this book uses this history as a background to his novel, writing a work of historical fiction that is rooted in poverty, squalor and the tyrannical power of emperors.