This is the story of Galileo Galilei as seen through the eyes of his eldest daughter Sister Maria Celeste of the convent of San Matteo, whose letters to her father survive. Unfortunately his letters to her did not. Dava Sobel (author of Longitude, another interesting book) relates not only Galileo’s successes with his work on the telescope, mapping the moon, and figuring the motion of heavenly bodies, but also his struggles as what he so clearly saw did not sit well with the Catholic Church. The Church eventually tried him and put him under house arrest for his heretical writings on the Earth and planets revolving around the sun contradicting the Church’s official view of an Earth-Centric universe. Sister Maria Celeste’s letters not only give us a view of Galileo’s scientific work and tribulations but also–and at least as interesting–a view of her world in a convent of Poor Claires and everyday life in Renaissance Tuscany.