For students of history, here is a reprint of one of Kepler's works. Centuries old. But noteworthy because before Newton came on the scene, Kepler's work was one of the high water marks of astronomy. Plus, the material in the book was useful to Newton, when he would apply his equations to explaining various of Kepler's observations.
Plus, another attraction of this book is the introduction by Hawking. So there are two great names on the same cover. For the layman in physics, here is a noted viewpoint of Kepler's accomplishments.