It is 1845, and Hannah Gardner Price has lived every day of her twenty-four years according to the principles of her Nantucket Quaker community. But on the rooftop each night, she pursues a very different goal: discovering a comet and thereby winning a gold medal awarded by the King of Denmark, something unheard of for a woman. Then Hannah takes on a young whaler from the Azores as a student, changing the course of her life forever.
