I just finished Charles Gannon’s Marque of Caine. It’s a wild ride through alternate universes and star systems controlled by a variety of aliens. The protagonist, Caine Riordan, is an intelligence specialist and “jack-of-all-trades,” looking for the love of his life, who is in the hands of aliens whose intentions are at best uncertain. He’s persistent, sometimes has to blunder through, but usually gets things right despite being surrounded by unfamiliar social mores and adva