Contents.

    1. [Astronomy Before Kepler]
    2. [Early Life of Kepler]
    3. [Tycho Brahe]
    4. [Kepler Joins Tycho]
    5. [Kepler’s Laws]
    6. [Closing Years]
  2. [Appendix I.—List of Dates]
  3. [Appendix II.—Bibliography]
  4. [Glossary]

[Chapter I.]