Do you want to learn about the astronomer Johannes Kepler but don't have the time or patience to read a thick book? Then this short and concise book "The Astronomer Johannes Kepler: A Short Biography" is for you!! In this book you will read about the life and times of the 17th century German astronomer Johannes Kepler and his many contributions to astronomy. The book covers the topics: • Kepler's years as a teacher in the city of Graz, • Kepler's book "Mysterium Cosmographicum (The Cosmographic Mystery)," • His work with Tycho Brache in Prague, • The development of the elliptical orbit of Mars, • Kepler's book: "Harmonices Mundi (The Harmony of the World)," • Development of the "Rudolfine Tables," • The trial of his mother for witchcraft, • The impact of the Protestant Reformation and the Catholic Counter-Reformation on the life of him and his family, • A modern version of Kepler's three laws of planetary motion, • Timeline of the life and times of Kepler, • A list of good reference books and further reading material on Johannes Kepler, • and more... The book "The Astronomer Johannes Kepler: A Short Biography" gives a brief look at the life and times of Johannes Kepler. In addition, the book contains a list of reference books for further reading and a Timeline to help link together the events in his life. Pick up your copy today by clicking the BUY button! 30-Minute Book Series This is the 70th book in the 30-Minute Book Series. Books in this series are fast-paced, accurate, and cover the story in as much detail as a short book possibly can. Most people complete each book in less than an hour, which makes the books in the series a perfect companion for your lunch hour, a school project, or a little down time. About the Author Doug West is a retired engineer and an experienced non-fiction writer with dozens of books to his credit. His writing interests are general, with special expertise in history, science, and biographies. Doug has a Ph.D. in General Engineering from Oklahoma State University.