Lucy Mulcheney just watched her lover marry a man. And she didn’t even spare her a glance during the entire ceremony. Now her brother is threatening to sell their father’s telescope because it’s not like people hire female astronomers. Just when she’s not sure what to do with her life, she notices a letter from the Countess of Moth who needs assistance. Lucy takes her chances in London, finding Catherine St. Day is not only an attractive woman but also a staunch supporter of Lucy and her work. Working on a new astronomy translation though is not all that’s in the cards. They need to fight the misogyny of the scientific community and explore the attraction that arises between them. Come explore the world through the eyes of Olivia Waite in “ The Lady’s Guide to Celestial Mechanics.” A constellation of SPOILERS