“With its wealth of commentary, notations, references, and introductory analyses of one kind or another, and the translation itself, the whole production is extremely impressive.”—ISSEI Journal Israel (MIT)

“Based on the Antonio Favaro Italian editions of 1890-1909 and the original text of 1632, this new masterpiece focuses on the Copernican controversy and surrounding scientific and philosophical issues.” —Renaissance Quarterly

“A classic introduction to Galileo’s masterpiece.”—William A. Wallace, author of Galileo’s Logic of Discovery and Proof