The Harmony of the World
Kepler worked with Galileo to prove the heliocentric model of the universe
Book 1
The Origin, Classes, Order, And Distinguishing Features Of The Regular Shapes →

Book 2
The Congruence of Harmonic Shapes →

Book 3
The Origin Of The Harmonic Proportions →

Book 4
The Effect On Events In The Sky And Other Natural Phenomena →

Book 5
The Perfect Harmony Of The Heavenly Motions →