Rocket Book 1 in the Star Bound Series by Dell Sweet
Michael Watson is the captain of an inner galaxy cruiser: He Purchased Star Dancer right out of school and has spent the last twenty years running people and supplies to outposts within the confines of the Solar System and the established bases on the Moon, Mars and Saturn’s moons. The times are changing though and the big money is in the longer out of system runs. To do that he’ll need a crew and a bigger ship, but he has the ambition and the rest just might fall into place.
A new navigator, the beautiful Petra starts him thinking in a new direction and not just about Star Cruising. Maybe the next few flights for Star Dancer will be her last and he and Petra can set their sights on bigger adventures out beyond the stars… https://books.apple.com/us/book/rocket/id1245409334