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Kepler Author: Max Caspar Manufacturer: Dover Publications ListPrice: $18.95 Offer: $14.21	Harmonies Of The World (On the Shoulders of Giants) Author: Johannes Kepler Manufacturer: Running Press ListPrice: $9.95 Offer: $9.95	Epitome of Copernican Astronomy & Harmonies of the World (Great Minds Series) Author: Johannes Kepler Manufacturer: Prometheus Books ListPrice: $14.98 Offer: $10.19
The Harmony of the World (Memoirs of the American Philosophical Society) (Memoirs of the American Philosophical Society) Author: Johannes Kepler Manufacturer: American Philosophical Society ListPrice: $45.00 Offer: $43.39	Marginalia: Readers Writing in Books Author: H. J. Jackson Manufacturer: Yale University Press ListPrice: $33.00 Offer: $31.50	Three Copernican Treatises Author: Edward Rosen Manufacturer: Dover Publications ListPrice: $17.95 Offer: $17.95
Voyages to the Moon and the Sun (New Travellers' Companion Series) Author: Cyrano de Bergerac Manufacturer: Olympia Press ListPrice: $14.95 Offer: $11.21	On Tycho's Island: Tycho Brahe, Science, and Culture in the Sixteenth Century Author: John Robert Christianson Manufacturer: Cambridge University Press ListPrice: $27.99 Offer: $25.99	Ptolemy's "Almagest" Author: Ptolemy Manufacturer: Princeton University Press ListPrice: $67.50 Offer: $60.75
Dialogue Concerning the Two Chief World Systems (Modern Library Science) Author: Galileo Manufacturer: Modern Library ListPrice: $15.95 Offer: $10.85