Wow. Well the good news is that you get 8 or so books a month. And the typical Archer novel is about 8 hours.
Start with the Clockmaker's Daughter. There are like 10 books in that series. It's got magic, romance, mystery, and history.
And if you don't like the magic, the Cleopatra Fox series is mystery, history, and romance.
what all the Archer books have in common is strong, likable, British female main characters.
Another good audiobook series available on Hoopla is the Penric novellas. They are shorter but I Love them. In fact I love everything by Bujold.